ECU Power Source Circuit [09/2015 - ]: Procedure
- CHECK HARNESS AND CONNECTOR (FRONT LIGHT ECU - BATTERY AND BODY GROUND)
- Disconnect the A51 ECU connector.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
Tester Connection Switch Condition Specified Condition A51-2 (WIG) - Body ground Engine switch on (IG) 11 to 14 V A51-2 (WIG) - Body ground Engine switch off Below 1 V
Result: NG
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result: OK
OK
See step 2
- Disconnect the A51 ECU connector.
- CHECK HARNESS AND CONNECTOR (FRONT LIGHT ECU - BODY GROUND)
- Disconnect the A50 ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Tester Connection Condition Specified Condition A50-2 (E) - Body ground Always Below 1 Ω
Result: OK
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )
Result: NG
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Disconnect the A50 ECU connector.