Diagnosis Procedure
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
- Side radar RH
- ADAS control unit
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminal and connector.
- CHECK RIGHT/LEFT SWITCHING SIGNAL CIRCUIT
Check the right/left switching signal circuit of the side radar RH. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the root cause.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the connector of ADAS control unit.
- Check the continuity between the ADAS control unit harness connector terminals.
ADAS control unit harness connector
Continuity
Connector No.
Terminal No.
M128
2
18
Existed
5
6
Existed
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Check the harness and repair the root cause (ITS CAN communication circuit side).
- CHECK HARNESS FOR OPEN CIRCUIT
- Connect the connector of ADAS control unit.
- Disconnect the connector of side radar RH.
- Check the resistance between the side radar RH harness connector terminals.
Side radar RH harness connector
Resistance (Ω)
Connector No.
Terminal No.
C117
6
7
Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO STEP 5 .
NO
Repair the side radar RH branch line.
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the side radar RH. Refer to Diagnosis Procedure
Is the inspection result normal?
YES
Replace the side radar RH. Refer to Removal and Installation .
YES
Error was detected in the side radar RH branch line.
NO
Repair the power supply and the ground circuit.