Diagnostic Test
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- 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).
- ADAS control unit
- Harness connector B136
- Harness connector M36
- Driver assistance buzzer control module
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminal and connector.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the connector of driver assistance buzzer control module.
- Check the continuity between the driver assistance buzzer control module.
Driver assistance buzzer control module Continuity Connector No. Terminal No. M198 18 2 Existed 6 5 Existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Check the harness and repair the root cause (Chassis communication circuit side).
- CHECK HARNESS FOR OPEN CIRCUIT
- Connect the connector of driver assistance buzzer control module.
- Disconnect the connector of ADAS control unit.
- Check the resistance between the ADAS control unit harness connector terminals.
ADAS control unit harness connector Resistance (Ω) Connector No. Terminal No. B104 8 9 Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO STEP 4 .
NO
Repair the ADAS control unit branch line.
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ADAS control unit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES (Present error)
Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .
YES (Past error)
Error was detected in the ADAS control unit branch line.
NO
Repair the power supply and the ground circuit.