DTC B1084[09] Electric Steering Lock Failure (Wireless Access Module (Hi-version [Passive Entry and Start System]))

1. Wireless access module system check

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Hi-version [Passive Entry and Start System])) Diagnostic system check-Wireless Access Module (Hi-version[Passive Entry and Start System])".

2. Electric steering lock inspection

1) Inspect the steering lock assembly for the following. Is the result normal?

Yes

=>Go to Inspection for open circuit and short circuit in steering lock position signal circuit.

No

Repair as necessary.

=>Go to Repair verification.

3. Inspection for open circuit and short circuit in steering lock position signal circuit

1) Inspect the signal circuit between the wireless access module (pin 16 of B15) and the steering lock assembly (pin 4 of B39) for the following. Is the result normal?

Refer to "LHD Power Door Locks (Wireless Access Module (Hi-version))" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD Power Door Locks (Wireless Access Module (Hi-version))" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to Inspection for open circuit and short circuit in the steering lock operating permission signal circuit.

No

Repair the circuit as necessary.

=>Go to Repair verification.

4. Inspection for open circuit and short circuit in the steering lock operating permission signal circuit

1) Inspect the signal circuit between the wireless access module (pin 17 of B15) and the steering lock assembly (pin 3 of B39) for the following. Is the result normal?

Refer to "LHD Power Door Locks (Wireless Access Module (Hi-version))" in the ETM (wiring diagram). (Open using the ETM viewer.).

Refer to "RHD Power Door Locks (Wireless Access Module (Hi-version))" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to Current DTC check.

No

Repair the circuit as necessary.

=>Go to Repair verification.

5. Current DTC check

1) Connect all of the disconnected harness connectors.

2) Clear the DTC with a scan tool.

3) Turn OFF the ignition switch.

4) Open and close the driver side door.

5) Turn the ignition switch to ACC or ON.

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

Yes

Replace the steering lock assembly.

Refer to "9.Body, Cab, Accessories 9J.Security and Locks steering lock removal".

Refer to "9.Body, Cab, Accessories 9J.Security and Locks steering lock installation".

Refer to "9.Body, Cab, Accessories 9J.Security and Locks steering lock setting".

=>Go to Repair verification.

No

=>Go to Repair verification.

6. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch.

3) Open and close the driver side door.

4) Turn the ignition switch to ACC or ON.

5) Observe the DTC information with a scan tool.