Terex TA30 - Page 87

Section 120-0010
17
SM 1965 4-00
Transmission - Transmission and Mounting
Fault MEANING OF CODE TCU reaction Checks Remarks
Code possible reason for fault detection
(hex)
91 S.C. TO GROUND AT RELAY REVERSE WARNING ALARM backup alarm will be on •check cable from TCU to
1)
see figure 8
TCU detected a wrong voltage at the output pin, that until TCU power down backup alarm device
looks like a s.c. to vehicle ground even if fault vanishes •check connectors from
• cable is defective and is contacted to vehicle ground (loose connection) backup alarm device to
• backup alarm device has an internal defect OP-Mode: normal TCU
• connector pin is contacted to vehicle ground •check resistance
1)
of
backup alarm device
92 S.C. TO BATTERY VOLTAGE 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 s.c. to battery voltage •check connectors from
• cable is defective and is contacted to battery voltage backup alarm device to
• backup alarm device has an internal defect TCU
• connector pin is contacted to battery voltage •check resistance
1)
of
backup alarm device
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
Courtesy of Machine.Market