Operation and maintenance manual

Section 120-0010
Transmission - Transmission and Mounting
SM 2124 Rev 3 8-03
18
Fault MEANING OF CODE TCU reaction Checks Remarks
Code possible reason for fault detection
(hex)
93
O.C.AT RELAY REVERSE WARNING ALARM no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal backup alarm device
looks like a o.c. for this output pin •check connectors from
• cable is defective and has no connection to TCU backup alarm device to
• backup alarm device has an internal defect TCU
• connector has no connection to TCU •check resistance
1)
of
backup alarm device
9A
S.C.TO GROUND AT CONVERTER LOCK UP CLUTCH no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal converter clutch solenoid
looks like a s.c. to vehicle ground •check connectors from
• cable is defective and is contacted to vehicle ground converter clutch solenoid
• converter clutch solenoid has an internal defect to TCU
• connector pin is contacted to vehicle ground •check resistance
1)
of
converter clutch solenoid
9B
O.C. AT CONVERTER LOCK UP CLUTCH converter clutch always •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that open, retarder not converter clutch solenoid
looks like a o.c. for this output pin available •check connectors from
• cable is defective and has no connection to TCU OP-Mode: normal converter clutch solenoid
• converter clutch solenoid has an internal defect to TCU
• connector has no connection to TCU •check resistance
1)
of
converter clutch solenoid
9C
S.C.TO BATTERY VOLTAGE AT CONVERTER LOCK UP CLUTCH no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal converter clutch solenoid
looks like a s.c. to battery voltage •check connectors from
• cable is defective and is contacted to battery voltage converter clutch solenoid
• converter clutch solenoid has an internal defect to TCU
• connector pin is contacted to battery voltage •check resistance
1)
of
converter clutch solenoid
9D
S.C.TO GROUND AT RETARDER no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal retarder solenoid
looks like a s.c. to vehicle ground •check connectors from
• cable is defective and is contacted to vehicle ground retarder solenoid to TCU
• retarder solenoid has an internal defect •check resistance
1)
of
• connector pin is contacted to vehicle ground retarder solenoid
9E
O.C.AT RETARDER no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal retarder solenoid
looks like a o.c. for this output pin •check connectors from
• cable is defective and has no connection to TCU retarder solenoid to TCU
• retarder solenoid has an internal defect •check resistance
1)
of
• connector has no connection to TCU retarder solenoid
9F
S.C. TO BATTERY VOLTAGE AT RETARDER SOLENOID no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal retarder solenoid
looks like a s.c. to battery voltage •check connectors from
• cable is defective and is contacted to battery voltage retarder solenoid to TCU
• retarder solenoid has an internal defect •check resistance
1)
of
• connector pin is contacted to battery voltage retarder solenoid
A1
S.C.TO GROUND AT DIFFLOCK SOLENOID no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal difflock solenoid
looks like a s.c. to vehicle ground •check connectors from
• cable is defective and is contacted to vehicle ground difflock solenoid to TCU
• difflock solenoid has an internal defect •check resistance
1)
of
• connector pin is contacted to vehicle ground difflock solenoid
A2
S.C. TO BATTERY VOLTAGE AT DIFFLOCK SOLENOID no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal difflock solenoid
looks like a s.c. to battery voltage •check connectors from
• cable is defective and is contacted to battery voltage difflock solenoid to TCU
• difflock solenoid has an internal defect •check resistance
1)
of
• connector pin is contacted to battery voltage difflock solenoid
A3
O.C. AT DIFFLOCK SOLENOID no reaction •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that OP-Mode: normal difflock solenoid
looks like a o.c. for this output pin •check connectors from
• cable is defective and has no connection to TCU difflock solenoid to TCU
• difflock solenoid has an internal defect •check resistance
1)
of
• connector has no connection to TCU difflock solenoid