Radio Receiver Power Source Circuit [03/2019 - 11/2022]: Procedure
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- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)
- Disconnect the I55 and I56 radio and display receiver assembly connectors.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition I55-1 (GND1) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition I55-4 (+B1) - I55-1 (GND1) Always 11 to 14 V I55-15 (ACC1) - I55-1 (GND1) Ignition switch to ACC 11 to 14 V I56-19 (IG) - I55-1 (GND1) Ignition switch to ON 11 to 14 V Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [03/2019 - 09/2019] , or refer to PROBLEM SYMPTOMS TABLE [09/2019 - 04/2020] , or refer to PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022] , or refer to PROBLEM SYMPTOMS TABLE [09/2022 - 11/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR