DTC C111A[01] Parking Aid Rear Inner Right Sonar Sensor - Communication Impossible (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) Operate the shift lever to the R position.

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

Yes

=>Go to Wire harness and connector inspection.

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. Wire harness and connector inspection

1) Turn OFF the ignition switch.

2) Disconnect the parking aid system control unit harness connector (C16) and rear inner right sonar sensor harness connector (R44).

3) Inspect the wire harnesses and connectors for the following. Is the result normal?

Wire harness to be inspected

  • Between the parking aid system control unit (pin 9 of C16) and the rear inner right sonar sensor (pin 2 of R44)

Inspection items

  • Continuity
  • Terminal connection status

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 and connection as necessary.

=>Go to Repair verification.

4. Parking aid system control unit replacement

Note

  • Perform programming after replacing the parking aid system control unit.

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.

5. 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) Operate the shift lever to the R position.

5) Observe the DTC information with a scan tool.