Power Source Circuit [02/2017 - 08/2020]: Procedure
WARNING: This page is about a different car, the 2020 Toyota C-HR, 2019 Toyota C-HR, and 2018 Toyota C-HR. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS AND CONNECTOR (POWER SOURCE VOLTAGE)
- Disconnect the forward recognition camera connector.
*a Front view of wire harness connector
(to Forward Recognition Camera) - Turn the ignition switch to ON.
- Measure the voltage according to the value(s) in the chart below.
Standard Voltage
Tester Connection Condition Specified Condition R5-7 (IGB) - Body ground Ignition switch ON 11 to 14 V Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- Disconnect the forward recognition camera connector.
- CHECK HARNESS AND CONNECTOR (FORWARD RECOGNITION CAMERA - BODY GROUND)
- Disconnect the 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 chart below.
Standard Resistance
Tester Connection Condition Specified Condition R5-10 (GND) - Body ground Always Below 1 Ω Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [02/2017 - 09/2019] , or refer to PROBLEM SYMPTOMS TABLE [09/2019 - 08/2020]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Disconnect the forward recognition camera connector.