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Specalog For 12H Motor Grader, AEHQ5515-01
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Use the Caterpillar Monitoring System or use the Caterpillar Electronic Technician in order to determine the diagnostic codes for the power train ECM. After determining the diagnostic codes, refer to the corresponding test procedure for more information. Perform the procedure that corresponds to the diagnostic code (CID and FMI). The following table is a list of possible diagnostic codes for the ECM.
Diagnostic Codes For The Power Train ECM (MID 081) (1) | |
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For troubleshooting, see the procedure with the same diagnostic code. | |
CID/FMI | Description |
CID 0168 Electrical System Voltage | |
FMI 01 | 'Below normal range' |
CID 0177 Temperature Sensor (Transmission Oil) | |
FMI 03 | 'Voltage above normal or shorted high' |
FMI 04 | 'Voltage below normal' |
CID 0248 Cat Data Link | |
FMI 02 | 'Incorrect signal' |
CID 0268 Programmable Parameter | |
FMI 02 | 'Incorrect signal' |
CID 0444 Magnetic Switch (Start Relay) | |
FMI 03 | 'Voltage above normal or shorted high' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 0520 Configuration (Transmission) | |
FMI 02 | 'Incorrect signal' |
CID 0562 Caterpillar Monitoring System | |
FMI 09 | 'Abnormal update' |
CID 0573 Position Sensor (Clutch Pedal) | |
FMI 03 | 'Voltage above normal or shorted high' |
FMI 04 | 'Voltage below normal' |
FMI 13 | 'Out of calibration' |
CID 0585 Speed Sensor (Transmission Output) (No. 1) | |
FMI 02 | 'Incorrect signal' |
CID 0637 Backup Alarm | |
FMI 06 | 'Current above normal' |
CID 0668 Transmission Control (Shift Lever) | |
FMI 02 | 'Incorrect signal' |
FMI 03 | 'Voltage above normal' |
CID 0669 Speed Sensor (Transmission Input) | |
FMI 02 | 'Incorrect signal' |
CID 0673 Speed Sensor (Transmission Output) (No. 2) | |
FMI 02 | 'Incorrect signal' |
CID 0688 Solenoid Valve (Dual Horsepower) | |
FMI 06 | 'Current above normal' |
CID 0868 Indicator Lamp (Automatic shift) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 1401 Solenoid Valve (Forward High) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
FMI 13 | 'Out of Calibration' |
CID 1402 Solenoid Valve (Forward Low) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
FMI 13 | 'Out of Calibration' |
CID 1403 Solenoid Valve (Reverse) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
FMI 13 | 'Out of Calibration' |
CID 1404 Solenoid Valve (Speed Clutch) (No. 2) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 1405 Solenoid Valve (Speed Clutch) (No. 3) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 1406 Solenoid Valve (Speed Clutch) (No. 1) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 1407 Solenoid Valve (Low Range) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 1408 Solenoid Valve (High Range) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
CID 1484 Limit Switch (Clutch Pedal) | |
FMI 03 | 'Voltage above normal' |
FMI 04 | 'Voltage below normal' |
CID 1580 Indicator Lamp (Transmission Filter Bypass ) | |
FMI 03 | 'Voltage above normal' |
FMI 05 | 'Current below normal' |
FMI 06 | 'Current above normal' |
Show/hide table
( 1 ) | For the Power Train ECM, the MID is 081. This table pertains only to diagnostic codes with a MID of 081. |
Note: This table shows the diagnostic codes for the power train ECM only. The diagnostic codes for the ECM are shown on the display area of the Caterpillar Monitoring System. The information of the diagnostic code for the ECM is transferred via the Cat data link to the Caterpillar Monitoring System. This diagnostic information is shown when the Caterpillar Monitoring System is in the service mode. The module identifier (MID) tells the service person the ECM that is sending the diagnostic code. The MID for the power train ECM is 081. This Service Manual is used for diagnostic codes with the MID 081. The Electrical System Schematic shows the module identifier (MID) codes of any other electronic controls on a machine. Information for electronic troubleshooting of the diagnostic codes (MID is not 081) can be found in the service manual for that system.