Toyota Camry

 XV30 (2002–2006) Service Manual

Theft deterrent & door lock
Key unlock warning system

PROBLEM SYMPTOMS TABLE

Symptom	Suspected Area
Key reminder buzzer does not sound	Unlock warning switch Front door courtesy lamp switch Instrument panel J/B (Body ECU) Combination meter Wire harness

LOCATION

ON−VEHICLE INSPECTION

1. FUNCTION CHECK

a. Check that the key reminder warning buzzer sounds.

1. With the driver side door closed, insert the key into the ignition key cylinder, and then turn the key to LOCK or ACC.

2. Then, check that the buzzer sounds intermittently after the driver side door is opened.

b. Check that the key reminder warning buzzer stops.

1. Check that the buzzer stops when any of the following operations is performed while the buzzer is sounding.

• Close the driver side door (front door courtesy lamp switch is OFF).

• Turn the ignition switch ON.

• Pull out the key from the ignition key cylinder.

2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU) (LEFT SIDE)

1. Disconnect the B6 body ECU connector.

2. Check the continuity of the connector terminal.

Standard:

If the continuity is not as specified, there may be a malfunction on the wire harness side.

3. Reconnect the connector.

4. Check the voltage of the connector terminal.

Standard

:

If the value is not as specified, the instrument panel J/B may malfunction.

3. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSY (BODY ECU) (REAR SIDE)

1. Disconnect the 2F and 2G connectors.

2. Check the voltage or continuity between the connector terminals.

Standard:

If the result is not as specified, there may be a malfunction on the wire harness side.

INSPECTION

1. INSPECT UN−LOCK WARNING SWITCH ASSY

a. Check the switch continuity.

Standard

:

If the continuity is not as specified, replace the switch.

Inspect un-lock warning switch assy

2. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY

a. Check the switch continuity.

Standard

:

If the continuity is not as specified, replace the switch.

Inspect front door courtesy lamp switch assy

Power door lock control system

Key unlock warning system

Engine immobiliser system (2AZ−FE(PZEV))

Engine immobilizer system (Except 2AZ−FE(PZEV))

Theft deterrent system

Power door lock control system

Wireless door lock control system

Door control transmitter