Radio Receiver Assembly Communication Stop Mode [06/2018 - 09/2022]: Procedure
- CHECK VEHICLE TYPE
- Check vehicle type.
Result
Result Proceed to for Navigation Receiver Type A for Radio and Display Type B
Result:
B
See step 4
Result:
A
See step 2
- Check vehicle type.
- CHECK FOR OPEN IN CAN BUS LINES (RADIO RECEIVER ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the G3 radio receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G3-13 (CANH) - G3-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω *a Front view of wire harness connector
(to Radio Receiver Assembly)Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (RADIO RECEIVER ASSEMBLY)
Result:
OK
See step 3
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Disconnect the G5 radio receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Radio Receiver Assembly)- - Standard Resistance
Tester Connection Condition Specified Condition G5-1 (GND1) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω - Reconnect the cable to the negative (-) auxiliary battery terminal.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition G3-19 (IG) - Body ground Power switch on (IG) 11 to 14 V G5-4 (+B1) - Body ground Power switch off 11 to 14 V G5-15 (ACC1) - Body ground Power switch on (ACC) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE RADIO RECEIVER ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- CHECK FOR OPEN IN CAN BUS LINES (RADIO RECEIVER ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the G4 radio receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G4-13 (CANH) - G4-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω *a Front view of wire harness connector
(to Radio Receiver Assembly)Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (RADIO RECEIVER ASSEMBLY)
Result:
OK
See step 5
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Disconnect the G6 radio receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Radio Receiver Assembly)- - Standard Resistance
Tester Connection Condition Specified Condition G6-1 (GND1) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω - Reconnect the cable to the negative (-) auxiliary battery terminal.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition G4-19 (IG) - Body ground Power switch on (IG) 11 to 14 V G6-4 (+B1) - Body ground Power switch off 11 to 14 V G6-15 (ACC1) - Body ground Power switch on (ACC) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE RADIO RECEIVER ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)