DTC B1E08[13] Immobilizer Coil Circuit Open (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. Inspection for open circuit in immobilizer coil circuit

1) Inspect the immobilizer coil (+) circuit between the wireless access module (pin 14 of B14) and the engine start/stop button (pin 9 of B44) for an open circuit or high resistance. Is the result normal?

2) Inspect the immobilizer coil (-) circuit between the wireless access module (pin 15 of B14) and the engine start/stop button (pin 8 of B44) for an open circuit or high resistance. 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.).

3) Are all of the results normal?

Yes

Replace the engine start/stop button.

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment engine start/stop button removal".

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment engine start/stop button installation".

=>Go to Current DTC check.

No

Repair the circuit as necessary.

=>Go to Repair verification.

3. Current DTC check

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch.

3) Remove all electronic keys from the cabin.

4) Press the engine start/stop button.

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

Yes

=>Go to Wireless access module replacement.

No

=>Go to Repair verification.

4. Wireless access module replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module setting (with passive entry and start system)".

Procedure completion

=>Go to Repair verification.

5. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch.

3) Remove all electronic keys from the cabin.

4) Press the engine start/stop button.

5) Observe the DTC information with a scan tool.