On-Vehicle Inspection
- INSPECT TOWING CONVERTER RELAY
HINT:
Remove interior parts so that the towing converter relay can be seen.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition 1 (CTLB) - Body ground Light control switch off Below 1 V Light control switch in the tail position 11 to 14 V 2 (CTLS) - Body ground Turn signal switch off Below 1 V Turn signal switch on (left turn) Below 1 V ←→ 11 to 14 V Brake pedal depressed 11 to 14 V Turn signal switch on (left turn) during brake pedal depressed Below 1 V ←→ 11 to 14 V 3 (CTLA) - Body ground Light control switch off Below 1 V Light control switch in the tail position 11 to 14 V 4 (TRNL) - Body ground Turn signal switch off Below 1 V Turn signal switch on (left turn) Below 1 V ←→ 11 to 14 V 6 (CTRS) - Body ground Turn signal switch off Below 1 V Turn signal switch on (right turn) Below 1 V ←→ 11 to 14 V Brake pedal depressed 11 to 14 V Turn signal switch on (right turn) during brake pedal depressed Below 1 V ←→ 11 to 14 V 8 (COB1) - Body ground Always 11 to 14 V 9 (COS1) - Body ground Brake pedal not depressed Below 1 V Brake pedal depressed 11 to 14 V 10 (TRNR) - Body ground Turn signal switch off Below 1 V Turn signal switch on (right turn) Below 1 V ←→ 11 to 14 V TEXT IN ILLUSTRATION*1 Component with harness connected
(Towing Converter Relay)HINT:
If the result is not as specified, repair or replace the harness or connector.
- Disconnect the towing converter relay connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition P23-5 (COZ1) - Body ground Always Below 1 Ω TEXT IN ILLUSTRATION*1 Front view of wire harness connector
(to Towing Converter Relay)HINT:
If the result is not as specified, replace the towing converter relay. Refer to REMOVAL .
- Measure the voltage according to the value(s) in the table below.