ECU Power Source Circuit [04/2018 - ]: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BODY GROUND)
- Disconnect the K35 parking assist ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K35-3 (GND1) - Body ground Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU POWER SOURCE)
- Disconnect the K35 parking assist ECU connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition K35-2 (+B) - K35-3 (GND1) Power switch off 11 to 14 V K35-1 (ACC) - K35-3 (GND1) Power switch on (ACC) 11 to 14 V Power switch off Below 1 V K35-6 (IG) - K35-3 (GND1) Power switch on (IG) 11 to 14 V Power switch off Below 1 V Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [04/2018 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR