Vehicle Approaching Sound ECU Communication Stop Mode [12/2019 - 10/2022]: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR OPEN IN CAN BUS LINES (VEHICLE APPROACHING SPEAKER CONTROLLER BRANCH LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the A50 vehicle approaching speaker controller connector.
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Vehicle Approaching Speaker Controller)Standard Resistance
Tester Connection Condition Specified Condition A50-3 (CANH) - A50-4 (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 (VEHICLE APPROACHING SPEAKER CONTROLLER)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A50-6 (GND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω *a Front view of wire harness connector
(to Vehicle Approaching Speaker Controller) - 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 A50-1 (IG) - Body ground Ignition switch ON 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER
Refer to REMOVAL [12/2019 - 10/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.
