DTC C108B[A3] Parking Aid ECU Internal Failure - Voltage High (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.

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

Yes

=>Go to charging system 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. charging system check

1) Inspect the charging system. Is the result normal?

Refer to "1.Engine 1J.Electrical(4JJ3 with DPD) generator inspection".

Refer to "202.Engine 15D.Symptom(4JJ3 with DPD) defect of charging system".

Refer to "1.Engine 1J.Electrical(4JJ3 without DPD) generator inspection".

Refer to "202.Engine 15D.Symptom(4JJ3 without DPD) defect of charging system".

Refer to "1.Engine 1J.Electrical(RZ4E-TC) generator inspection".

Refer to "202.Engine 15D.Symptom(RZ4E-TC) defect of charging system".

Yes

Go to Intermittent conditions of parking aid system.

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

No

Repair the cause for excessive voltage on the vehicle side as necessary.

=>Go to Repair verification.

4. 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.

4) Observe the DTC information with a scan tool.