Radio Receiver Assembly Communication Stop Mode [11/2015 - 08/2019]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (RADIO AND DISPLAY RECEIVER ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the F31 radio and display receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
(F31)
(F31)
Tester Connection Condition Specified Condition F31-9 (CANH) - F31-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Disconnect the F32 radio and display receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
(F32)
(F32)
Tester Connection Condition Specified Condition F32-7 (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
(F32, F31)
(F32)
(F31)
Tester Connection Condition Specified Condition F32-4 (+B1) - Body ground Power switch off 11 to 14 V F32-3 (ACC1) - Body ground Power switch on (ACC) 11 to 14 V F31-1 (IG) - Body ground Power switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [11/2015 - 08/2019]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)