Power Source Circuit [10/2015 - ]: Procedure
WARNING: This page is about a different car, the 2018 Toyota Avalon, 2017 Toyota Avalon, and 2016 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)
- Disconnect the N11 forward recognition camera connector.
*a Front view of wire harness connector
(to Forward Recognition Camera) - Turn the power switch on (IG).
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition N11-7 (IGB) - Body ground Power switch on (IG) 11 to 14 V - Turn the power switch off.
- Reconnect the N11 forward recognition camera connector.
Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- Disconnect the N11 forward recognition camera connector.
- CHECK HARNESS AND CONNECTOR (FORWARD RECOGNITION CAMERA - BODY GROUND)
- Disconnect the N11 forward recognition camera connector.
*a Front view of wire harness connector
(to Forward Recognition Camera) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition N11-10 (GND) - Body ground Always Below 1 Ω - Reconnect the N11 forward recognition camera connector
Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [10/2015 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Disconnect the N11 forward recognition camera connector.