DTC B130E[12] Parking Aid System OFF Switch - Circuit Short to Battery (Parking Aid)

1. Parking aid system check

Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) diagnostic system check - parking aid system controls".

2. Current DTC check

1) Connect the scan tool.

2) Turn ON the ignition switch and wait for 30 seconds or more.

3) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to Parking aid system OFF switch check.

No

Go to Intermittent conditions of parking aid system.

Refer to "233.Driver Assistance System 46D.Symptom(Parking Aid) intermittent conditions of parking aid system".

3. Parking aid system OFF switch check

1) Turn OFF the ignition switch.

2) Disconnect the parking aid system OFF switch harness connector (C82).

Refer to "LHD Parking Aid" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD Parking Aid" in the ETM (wiring diagram). (Open using the ETM viewer.).

3) Turn ON the ignition switch and wait for 30 seconds or more.

4) Observe the DTC information with a scan tool for DTC B130E[12] being set as a current failure. Is a DTC set?

Yes

=>Go to Parking aid system OFF switch signal circuit inspection.

No

Replace the parking aid system OFF switch.

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment parking aid system OFF switch removal".

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment parking aid system OFF switch installation".

=>Go to Repair verification.

4. Parking aid system OFF switch signal circuit inspection

1) Turn OFF the ignition switch.

2) Disconnect the parking aid system control unit harness connector (C16).

3) Inspect the parking aid system OFF switch signal circuit between the parking aid system control unit (pin 16 of C16) and the parking aid system OFF switch (pin 2 of C82) for a short to the power supply circuit. Is the result normal?

Refer to "LHD Parking Aid" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD Parking Aid" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to Parking aid system control unit replacement.

No

Repair the circuit as necessary.

=>Go to Repair verification.

5. Parking aid system control unit replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control parking aid system control unit removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control parking aid system control unit installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control parking aid system control unit setting".

Procedure completion

=>Go to Repair verification.

6. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Turn ON the ignition switch and wait for 30 seconds or more.

4) Observe the DTC information with a scan tool.