All doors cannot be locked / unlocked
Precautions: Precautions for Diagnosing Trouble · Precautions for Replacing Ignition Key (Ignition Switch Model) · Precautions for Transmitter Disposal (Ignition Switch Model) · Precautions for Replacing Keyless Entry Control Module (Ignition Switch Model) · Precautions for Body, Cab and Accessories · General safety (00)
| Condition | Possible Cause | Action |
|---|---|---|
|
All doors cannot be locked / unlocked
|
Faulty BCM
|
Refer to Inspection of BCM and Its Circuits.
|
|
Faulty keyless entry / keyless start control module
|
•Ignition switch model: Refer to Inspection of Keyless Entry Control Module and Its Circuits.
•Keyless push start model: Refer to Inspection of Keyless Start Control Module and Its Circuits. |
|
|
Faulty system circuit (including relays and fuses)
|
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|
|
|
Faulty power door lock switch
|
Refer to Power Door Lock Switch Inspection.
|
|
|
Faulty key cylinder
|
Check key cylinder.
|