P1610

P1610 Lock Mode

Description

When the starting operation is carried more than five times consecutively under the following conditions, immobilizer system will shift to the mode which prevents the engine from being started.

- Unregistered mechanical key is used.
- BCM or ECM's malfunctioning.

DTC Logic

DTC Detection Logic






DTC Confirmation Procedure

1. PERFORM DTC CONFIRMATION PROCEDURE

1 Turn ignition switch ON.
2 Perform "DTC check" with SDT.

Is DTC detected?
YES
Refer to "Diagnosis Procedure".
NO
Inspection End.

Diagnosis Procedure

1. CHECK ENGINE START FUNCTION

1 Perform the check for DTC except DTC P1610.
2 Use SDT to erase DTC after fixing.
3 Check that engine can start with registered mechanical key.

Does the engine start?
YES
Inspection End.
NO
GO TO 2

2. CHECK INTERMITTENT INCIDENT

Refer to [Service Information for Electrical Incident: Intermittent Incident] Service Information for Electrical Incident: Intermittent Incident.


Inspection End.