This was upgraded to produce hp kW beginning with the model year. From to , the GMT was assembled in Brazil using components imported from Mexico, built to Mexican specifications. All Brazil-market examples were produced with the Caterpillar diesel engine. In Brazil, the trucks were badged according to their GMVR in metric tons and rounded horsepower output for 12 tons hp, for 14 tons hp, and for 16 tons hp. To better compete with the better-selling International DuraStar and Freightliner Business Class M2 medium-duty truck ranges, the GMT trucks switched to a vertically-oriented cab configuration to allow for a lower cab floor, increased cab space, and better entry and exit.
During its production, the GMT was produced with few changes. With the exception of grilles, Kodiaks and TopKicks are nearly identical; depending on trim, versions are produced with either two or four headlights. Diesel engines were standard on Cs and up, with the 7. In place of independent front suspension used on the series pickup trucks , the GMT 4x4s used a solid front axle suspension. Powered by a 6. For , GM introduced a heavier-duty lb spring and brake option package for the Dana 70HD front axle; rear axles Dana SL were available in four sizes: 11, lb, 13, lb, 15, lb, and 19, lb the latter two were options on two-wheel drive configurations.
For , Isuzu released a conventional-cab truck, named the Isuzu H-Series. Intended largely for vocational use, the Isuzu H-Series was marketed as a competitor for the Hino and Freightliner M2. As of the model year, the H-Series is the first and only conventional-cab truck sold by Isuzu. After four years of working with multiple potential buyers, including an anticipated five-year deal with Isuzu Motors announced late in January to take over the production line in Flint, Michigan , [12] General Motors decided to wind down its medium-duty truck operations.
The Montreal plant also closed on July 31, At the Work Truck Show in Indianapolis, Indiana, General Motors launched a new line of medium-duty trucks for the model year. In a shift from previous generations of medium-duty trucks, the model line is sold exclusively by Chevrolet, as GMC is shifting away from commercial fleet sales and focusing its premium Denali model lines.
As of current production, the model line is offered with a hp 6. While the GM chassis was not offered to other manufacturers, Blue Bird offered other available combinations Ford B, International , and the later Freightliner FS65 for an additional price. A wide variety of wg transmission options are available to you, there are wg transmission suppliers, mainly located in asia.
Also it contains a step-by-step guide to transmission repairs. This manual is based on the technical state at the printing. Bmw e39 gm p16 gm 5l40e atsg repair manual - bmw e39 gm p16 gm 5l40e atsg repair manual - free download as pdf file. I'm kind of in a rush, kinda need to do it tonight. Zf manual transmissions for sale the zfs is a constant-mesh 6 speed fully synchronized manual transmission used in general motors vehicles. Ml6 - 6 speed manual transmission nf2 - federal emission system i'm holding off on the sale of this truck for a while and pulled it off the market.
View, read and download service manual for mitsubishi vz9, learn how to repair it, fix failures or solve other issues. To ensure safety and many years of trouble-free. But, it is a step in the right direction, agreed? I have never owned a snowmobile before, but needed a dependable work horse.
The only difference is the colour of the pair used for the receive connection to the PC, and all the pairs in CAT5 cable are identical in everything except colour and the position in the lay-up. Our technicians are prepared to handle any size job. Serving all of southwest missouri since Call I have a compaq presario 5wv, it has 3 banks of one. With a set speed established and Cruise Control actively maintaining vehicle speed, the cab throttle may be used to increase vehicle speed.
To make this vehicle speed the new set speed, the Set switch must be closed for at least two and one half seconds to establish a new set speed. With a set speed established but Cruise Control has been disabled or kicked out the Resume Switch can be toggled to reactivate Cruise Control. Once reactivated, the existing set speed will be resumed and the engine will recover to the set speed.
The speed that the vehicle is currently traveling will not be established as a new set speed until the Set Switch is held down for more than two and one half seconds. This feature is used to promote additional battery life. The engine idle will only be increased if the vehicle is stopped, the transmission is out of gear and neither the clutch nor the brake pedal are depressed.
If these conditions are not met, the engine idle will not be adjusted. The recommended setting is The engine will stay at this idle speed for 5 minutes unless interrupted. At the end of 5 minutes the engine will return to low idle or a previously established elevated idle speed. If the battery voltage is still below the programmed trip point the engine will return to the programmed Smart Idle speed for another 5 minutes.
Note: Some switch inputs are programming dependent. When the engine speed is bumped the engine will ramp to the new rpm at the programmed ramp rate. Pressing and then releasing the Set Switch or the Resume Switch will establish the current engine rpm as the idle set speed.
The last idle set rpm will stay in the ECMs memory until the key switch has been turned Off. This bump process can be repeated until the engine reaches the programmed Low Idle.
The engine rpm will ramp as long as the switch is held or until the engine reaches the programmed. Releasing the Set or Resume switch while the engine rpm is ramping will establish the current engine rpm as the new set rpm.
If the Extended Idle has been disabled or kicked out, the set rpm is still in memory. Once the condition for Kickout no longer exists, pressing and releasing the Resume Switch will cause the engine rpm to ramp to the set rpm.
When Kicked Out, the set rpm remains in memory but the engine will return to the programmed low idle rpm. With this switch enabled, the Service Brake and Clutch may be used to control the vehicle speed while the Extended Idle is Active.
In the following table, an L means the input can return the engine to low idle from a set speed, a A means the input can adjust engine rpm, and P means the input function is programmable to a limit.
All programmed switch inputs require that the status of the switch be broadcast as On or Off when the key switch is On. Not broadcasting a switch status message will result in a diagnostic code to be active and the Check Engine lamp will be enabled. The switch must be in the On position to activate cruise control. Priority Set has a higher priority than Resume if both switch inputs are received at the same time. Accel has a higher priority than Decel if both switch inputs are received at the same time.
This switch will act like the service brake or clutch switches can cause PTO or Extended Idle to kick out. The transmission may require that the fan be engaged to cool the transmission fluid during vehicle operating conditions that result in high transmission loads.
Selected gear and Actual Gear must be 0 when the transmission is in Neutral. If the message is not received, the ECM will assume the transmission to be in gear. There are programmable set points and limits for engine RPM. There are programmable Kickout limits that can be set to return the engine to Low idle when those limits are exceeded. There are also outputs that can be used to enhance PTO operation.
Caterpillar recommends the OEM provide an access connector in an easily accessible location to aid the body builder in installation of these features. Electrical specifications for the remote accelerator pedal position sensor are described in Section 6 of this document.
Caterpillar recommends this connection be reserved for components connected to the engine to control engine speed for PTO applications only. If the engine is started with this switch closed, the engine will be in PTO mode, but not active until the operator toggles a PTO related switch. This lamp should be located where the operator will see it.
For remote PTO applications, a cab and remote lamp should be installed This lamp will flash when the PTO Timer is within the 90 seconds of shutting the engine down. Active means that PTO is enabled and is actively controlling engine speed. This High Side Driver has a current capability of up to 1.
Several conditions must be met before the engine will shut down. The engine will not shut down when the vehicle speed returns to zero. This switch must be a non-spring returned, Push to Trip type of switch requiring the mushroom button to be pulled or twisted in order to be reset.
Customer Parameter programming required: 1 None Kicking out of PTO mode will return the engine to normal cab controls. Increasing vehicle speed past this limit will result in the engine speed being reduced in order to maintain the programmed PTO mode vehicle speed limit. This parameter requires use of the ECM cooling fan circuit. Setting this parameter to Normal default indicates the fan will operate the same dependent upon coolant temperature, etc.
The Fan Control Type parameter must not be programmed None. This feature allows easier engine operation for applications where PTO load dump is high. PTO Active Output is covered in section This feature is only available on Emergency Vehicle Horsepower ratings. It is the responsibility of the OEM or Body Builder to determine which interlocks are required for their particular application. This connector should provide wiring from the ECM to a connector that is easily located and identified on the vehicle.
Caterpillar recommends the circuits listed in the following table be provided at this connector. Additional circuits such as positive and negative battery connections should also be considered but these circuits must be separate from the ECM battery circuits. For the following table, an L means the input can return the engine to low idle from a set speed, a A means the input can adjust engine rpm.
Limits can be established for elevated idle speeds. Engine ramps to RPM when switch is closed. Overrides Set Speed B. Vehicle speed where vehicle speed kicks out PTO, returning the engine to low idle and control to cab throttle.
The engine shuts down after PTO Mode has been active for 3 minutes. This applies to cruise control, idle, and PTO modes of operation. There is no programmable parameter for ignoring this switch. If vehicle speed exceeds this limit the engine will either not allow an engine speed to be set, or disengage a set PTO speed. A Vehicle Speed Input must be installed for this feature to function properly. Increasing vehicle speed past this limit will result in the engine being derated to maintain the programmed PTO mode vehicle speed limit.
Applies to both PTO and Idle engine speed control. For operation limiting PTO engine speed to two engine speeds above low idle with a toggle adjustment switch this parameter can be programmed to the top or second engine speed. Program this parameter above low idle but less than the PTO Top Engine limit to get three discrete engine speeds.
Toggle the Resume switch and the engine speed is reduced to the programmed Set Speed. Toggle the Resume switch again to return the engine to Low Idle.
This limit applies whenever the Torque Limit switch is ON. The Fan Control Type parameter must be programmed to other than None. One in the operator station and one at the Remote PTO control location. Vehicle speed where vehicle speed kicks out PTO, returning the engine to low idle. The options listed below are nearly identical to those for the Cab Switches Configuration. Instead, it allows the engine to remain in PTO Mode, but limits engine speed to provide vehicle speed limiting.
Program this parameter above low idle but less than the PTO Top Engine limit to get two discrete engine speeds above idle. Toggle the Resume switch and the engine speed is reduced to the next lower operating speed.
This throttle MUST be connected at all times. Disconnecting this throttle will result in diagnostics codes and the Check Engine Lamp will be On. The Engine will respond to the Remote Throttle position but the throttle must be at minimum or returned to minimum before engine will respond. The remote throttle can raise engine speed above a Set Speed.
Overrides existing Set Speed Overrides Throttle. This applies to cruise control, PTO, and idle modes of operation. For set engine speeds above Low Idle.
If at rpm Toggle once to go to rpm. Toggle again to go to low idle. Toggle again to go to rpm. Set Speed A and B switch inputs must be programmed. To get variable engine speeds above low idle:. Toggle to Bump 20 rpm up to rpm. If at Low Idle, Toggle once to go to rpm. For set engine speeds above low idle:. This output can be connected to the coil side of a relay or directly to a solenoid 1.
Regardless if the output is used to connect to a solenoid or relay coil, Caterpillar recommends transient suppression be used on the inductive load in addition to the ECM internal protection. Circuit protection for the contact side of the relay and its grounding when powering a relay is left to the OEMs discretion.
The Coolant Temperature reading is used to determine if conditions require use of the Starting Aid. If the temperature reading is below 0C 32F and an attempt is made to start the engine, the Starting Aid Output will be enabled for up to 30 seconds while the engine is cranking.
If the engine starts or a condition occurs that prevents fuel from being injected, the Staring Aid Output will be disabled. The exhaust brake output will be turned Off while the fuel injectors are delivering fuel to the engine.
Wiring Diagram 28 - Exhaust Brake with Relay Programming the Exhaust Brake Mode parameter to LATCH allows braking with the service brakes applied and keeps the exhaust brake ON after the service brakes are released until rpm drops below rpm or the driver presses the accelerator or clutch pedal. The Exhaust Brake in Cruise parameter value is the desired vehicle speed above the Cruise Control Set Speed to engage the exhaust brake.
The exhaust brake will remain engaged until the vehicle speed has dropped below this value. When the Auto Retarder In Cruise parameter is programmed to 0, the feature is disabled.
Some automatic transmissions will down shift when the engine retarder engages. Caterpillar recommends that the Auto Retarder In Cruise parameter value be set to a minimum of 5 mph reduce transmission down shifting with the Auto retarder in Cruise feature. This exhaust brake status may come from the engine J broadcast, or from a signal provided from the retarder circuit by chassis wiring. Consequently the integration of the engine, transmission, and chassis wiring must be taken into account when configuring the transmission and engine.
Below are tables, which illustrate the required engine programming, based on the chassis and transmission configuration. This output is capable of 1. This output can be used to disable the starter or other devices when the engine is running.
A normally closed relay is recommended so that cranking can be achieved immediately at power up. During cranking, the ECM will energize the relay once the engine speed reaches 50 rpm below low idle rpm. A normally closed relay is recommended because the ECM could see insufficient battery voltage during cranking, preventing the ECM from providing sufficient battery voltage to energize the relay. Customer Parameter programming required: 2 None. Wiring Diagram 29 This output can be connected to the coil side of a relay if the maximum current draw for the solenoid is less than 0.
Caterpillar recommends transient suppression be used on the inductive load in addition to the ECM internal protection. The following table lists the available transmission style options and the required switch inputs for each option. Correct programming and switch wiring is required to provide proper cruise control, PTO, and Fast Idle operation.
The engine will respond to transmission requests for speed and torque limiting. Transmissions can request that the engine engage the auxiliary brake to assist in shifting or prevent shift cycling. The transmission may request that the engines auxiliary brake be disengaged to prevent damage to torque converter.
A physical switch does not have to be installed as an open circuit is the same as an open switch. The J broadcast for engine load is adjusted to compensate for cooling fan loading. Caterpillar recommends the following: 1 ECM controlled cooling fan 2 Air Conditioning input for fan control 3 If used, the manual fan override switch must be an input to the ECM.
The ECM does not control the transmission shift schedule. The ECM monitors accelerator pedal position, engine speed, load, and cruise control status to determine if the transmission should use closed throttle or full throttle shift modulation.
The High setting is the default setting, which will cause the transmission to remain in a lower gear longer higher engine speed before shift occurs. The Medium setting is a compromise between the Default and the High setting. This allows the transmission to select Economy Mode or Performance mode. Operation of the relay is different depending upon whether cruise control is active or inactive. Wiring Diagram 31 This governor type is recommended for all manual transmissions.
This governor essentially only governs engine speed when at the minimum or maximum allowed engine speed. When in between these limits, the throttle -position will cause the engine to produce power proportional to its value.
Note: When the transmission style programming expects a neutral switch input, programming the Neutral Switch Input to None causes the ECM to assume that the transmission is in gear at all times. The Fan Control Type parameter two options for types of cooling fan control systems. The Fan Control Type parameter also includes optional output signal types for design flexibility. Because an electrical open circuit is the most likely failure mode, Caterpillar recommends a normally open circuit s.
The fan control is based on engine coolant temperature, engine retarder operation, intake manifold temperature and engine speed. The Electronic Technician service tool can also cause the fan to turn on with special tests. The J Fan Override message may also be based from the transmission. When vehicle operating conditions cause elevated transmission oil temperatures, the transmission can broadcast the J based Fan Override message to turn the fan ON for the required cooling.
This output can be connected to the coil side of a relay or directly to a solenoid if the maximum current draw for the solenoid is less than 1. Wiring Diagram 32 The fan comes ON in the event of an output circuit failure such as an open circuit. This requires a relay with normally open contacts if powering the coil side of a relay , or a solenoid valve that deactivates the fan when it receives the disable high signal.
Additional switching devices in the circuit should cause an open circuit to turn the fan ON. When driving a relay, connection of other devices to the Cooling Fan Output should not be necessary. Because an electrical open circuit is the most likely failure mode, Caterpillar recommends a normally open circuit. The ECM will turn the cooling fan ON under any of the following conditions if engine rpm is less than rpm.
ECM will keep the fan ON for 2 seconds after the engine has reached the programmed low idle rpm. This is done because unstable vehicle battery voltage during cranking may cause the fan to cycle. The fan will be turned OFF by the control after being turned ON if engine rpm exceeds rpm or when all the following circumstances are met.
Any system non-linearity is compensated for by the FDC. Figure 37 The ECM will turn the cooling fan ON for a minimum of 30 seconds under any of the following conditions if engine rpm is less than rpm.
EM provided and installed components required: 1 Fan Drive Controller. This allows enough time for the engine to stop rotating before the fan solenoid is engaged. This helps to limit fan belt damage due to fan inertia. This switch opens when the refrigerant pressure exceeds the desired level.
The timer is programmable from 0 to seconds, with 0 seconds indicating the feature is OFF the default. Typical programming is 30 seconds, with 1 second recommended for systems connecting this input to other controls with their own built in timers. Wiring DIagram 34 The fan control will follow previously described functionality when activated by this switch input. The engine will shut down if it operates under reduced load with the vehicle stationary for a customer-defined period of time.
This feature does not shut off vehicle electrical power. The Idle Shutdown Timer can be programmed between 1 and 1, minutes. The Driver Alert phase is determined by the number of minutes programmed for the Idle Shutdown Timer, during this phase the check engine lamp will flash, warning the driver of an impending engine shutdown. When the Idle Shutdown Timer is programmed to one minute, the check engine lamp will begin to flash thirty seconds before the programmed time expires.
If the Idle Shutdown Timer is programmed to two minutes or more, the check engine lamp will begin to flash ninety seconds before the programmed time expires. The operator can move the clutch or service brake during Driver Alert to override the timer. When the timer is overridden a diagnostic event is logged. The timer will remain in Override until the ECM has detected that the vehicle has moved.
Note: If the transmission neutral switch is programmed and installed, the idle shutdown timer will not start counting if the transmission indicates that the transmission is in gear.
OEM provided and installed components required: 1 Vehicle speed source. Service Brake Switch 2 if required by transmission style. Customer Parameter programming required: 1 Idle Shutdown Time programmed in the 1 minutes range.
After 15 minutes, the Idle Shutdown Timer is enabled regardless of engine coolant temperature. The default is set to Disabled. When programmed to Enabled, the Idle Shutdown Timer will begin counting down immediately once the engine reaches low idle. Regardless of Engine Coolant Temperature or how long the engine has been running. There is not a diagnostic connector supplied in the engine harness. Caterpillar requests the vehicle OEM install a diagnostic connector in the engine compartment for those applications where the cab diagnostic connector is too far away for practical service of the engine.
For an engine compartment mounted diagnostic connector, Caterpillar recommends grounding the engine data link connector directly to the engine ground stud through a splice into either -Battery wire Connector P1, terminal 65 or An example application for an engine compartment installed diagnostic connector would be found on a bus or RV with a rear-mounted engine.
The ATA data link can reduce duplication of engine and vehicle sensors by allowing other control systems to share sensor information. The following diagrams represent the ATA data link installed into a 6-terminal or 9-terminal dash connectors. Scaling per Bit 0.
Service tool interfacing is done using the escape provision defined in SAE J The escape information is considered proprietary and is, therefore, not described here. This data link can be used for communications with the transmission, anti-lock brake systems ABS , traction control TC systems, instrument clusters and other devices that use that use SAE J communications protocol. Contact Caterpillar for new application assistance.
The Powertrain Data Link parameter should be programmed to match the configuration of the vehicle. Caterpillar electronic service tools have the capability to temporarily disable the Powertrain Data Link for dynamometer or other diagnostic testing purposes.
Caterpillar recommends that J wiring be added to the engine diagnostic connector. This will allow for service tool support. Broadcast messages will default to a priority of 6 unless the SAE specification specifies a higher priority EEC 1 has a priority of 3. Messages that are broadcast as a result of a request will have a priority of 2.
This message is connected to the Maintenance Indicator Mode configuration. If it is programmed to off, the service distance and the service operational hours are set to some default values.
The service component ID supports engine oil only. The maximum supported fault code number is limited to 10 and will be prioritized equal to the service tool priority for ATA fault codes. If no fault is active this message will not be broadcast.
Only Public fault codes will be transmitted. Caterpillar truck engines which are configured to use the available MinMax governor, will support this parameter are relevant to engine operation. The coolant level message will reflect the diagnostic status for the coolant level. It is only supported over J The Cruise Accelerate and Coast switch functionality is depending on its configuration too. The Powertrain Datalink parameter must be programmed to the J option to enable communications.
The engine Retarder will be disabled if the status of the Torque converter lockup is disengaged. Some parameters may affect engine operation in ways an inadequately trained driver does not expect. These parameters may lead to power or performance complaints, even when the engine is performing to specification. Customer parameters may be changed repeatedly as a customer changes his operation or as new drivers are assigned to a truck.
Customer Passwords once programmed are required to change these parameters. The following is a brief description of the Customer Specified Parameters. Along with each are the available values for the parameter and the default value. The parameter value shown in bold is the programmed setting that will disable a feature. The tables show values in U. The exact range of the parameter in metric units depends upon the Service Tool used because each Tool may use slightly different conversion factors.
Locking out a parameter requires Customer Passwords if they have been previously programmed. Once a parameter is locked out, Factory Passwords are required to change the parameter or to unlock the parameter. If a lockable parameter is not locked out, Factory Passwords are not required.
A locked out parameter restricts the parameter from being changed directly by the customer. This helps vehicle owners encountering problems with operators obtaining Customer Passwords and tampering with the parameter configuration. If all of the parameters are locked out, and each one needs to be unlocked, only one Factory Password is required when the Parameter Lockout screen is accessed on the Electronic Service Tool.
The C7 an C9 do not support multiple ratings. The ECM does not require this parameter. Up to seventeen alpha-numeric characters can be entered. The C9 engine does not support GM designated parameters. Factory Passwords are required to change the parameter setting once it has been programmed.
The ECM uses this value to scale the vehicle speed signal into miles per hour. It is programmed in pulses per mile PPM , which represents the number of pulses produced per mile in the vehicle speed sensor by the teeth of the chopper wheel mounted on the transmission output shaft.
This value represents the Transmission Output Shaft revolutions per mile. The ECM uses this value, and the information received from the Transmission ECU via J datalink output shaft speed to calculate actual vehicle speed. The ABS manufacturer should be contacted to verify this message is supported. If the assumed tire size matches the actual tire size, the Vehicle Speed Cal will be equal to 1.
Minimum 0 Maximum 6. The ECM will shut off fuel above this speed. An inexperienced driver may think something is wrong with the engine, because the engine will not fuel above this vehicle speed limit. The ECM limits to this engine rpm when it senses no vehicle speed signal, and the engine is loaded. It is programmed in pulses per revolution ppr. Programmable range is from 2. It limits the vehicle speed from 2. Minimum 0.
When a two-speed axle is used, the change in gear ratios from the main drive axle ratio to the low-speed axle ratio alters the calibration of the vehicle speed input. This requires a calibration adjustment to ensure the ECM driven speedometer and stored ECM information correctly reflect the actual vehicle speed.
This parameter should be programmed to the main drive axle ratio. If a two-speed axle is not used then this parameter does not require programming. Programming this parameter to the maximum value disables cruise control. This does not determine, or allow exhaust brake operation while the engine is in cruise control.
When programmed to COAST, the exhaust brake is enabled only while the service brakes are being applied. A direct, immediate pressure on the brake pedal latches the exhaust brake ON. This feature is used to help maintain the Cruise Control Set Speed. This parameter applies to cruise control, idle, and PTO modes.
It controls the cruise speed from 2.
0コメント