Toyota Camry manuals

Toyota
Toyota Camry
 Service Manual
Theft deterrent & door lock
Key unlock warning system

PROBLEM SYMPTOMS TABLE

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

LOCATION

ON−VEHICLE INSPECTION

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:

Standard:

If the continuity is not as specified, there may be a

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

  1. Reconnect the connector.

  2. Check the voltage of the connector terminal.

Standard

:

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

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:

Standard:

If the result is not as specified, there may be a malfunction on

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.

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

Inspect un-lock warning switch assy 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.

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

Inspect front door courtesy lamp switch assy Inspect front door courtesy lamp switch assy

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    Toyota Camry Service Manual / Theft deterrent & door lock / Key unlock warning system

    Toyota Camry Service Manual

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