Entry And Start System Wireless Door Lock Buzzer Does Not Sound

Body Electrical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Door Lock. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (WIRELESS DOOR LOCK BUZZER)

CHECK WIRE HARNESS (CERTIFICATION ECU - WIRELESS DOOR LOCK BUZZER AND BODY GROUND)

INSPECT WIRELESS DOOR LOCK BUZZER

ENTRY AND START SYSTEM - Wireless Door Lock Buzzer Does not Sound


DESCRIPTION

Each of the entry and start system warnings use the wireless door lock buzzer to alert the driver. The certification ECU determines whether the wireless door lock buzzer must sound in accordance with the warning conditions.

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Entry And Start System Wireless Door Lock Buzzer Does Not Sound


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (WIRELESS DOOR LOCK BUZZER)

  1. Select the Active Test, use the intelligent tester to generate a control command, and then check that the wireless door lock buzzer sounds.

    Certification ECU:
    Item
    		Test Details
    		Diagnostic Note
    Buzzer Resp Sound
    		Wireless door lock buzzer ON / OFF
    		-
    OK:
    Wireless door lock buzzer sounds.


OK
REPLACE ECU AGGREGATION BOX (CERTIFICATION ECU)
NG


2.CHECK WIRE HARNESS (CERTIFICATION ECU - WIRELESS DOOR LOCK BUZZER AND BODY GROUND)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Entry And Start System Wireless Door Lock Buzzer Does Not Sound

  1. Disconnect the E63 ECU connector.

  1. Disconnect the A13 buzzer connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Specified Condition
    BZR (E63-21) - A13-1
    		Below 1 Ω
    A13-2 - Body ground
    BZR (E63-21) or A13-1 - Body ground
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


3.INSPECT WIRELESS DOOR LOCK BUZZER
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Door Lock.Power Door Lock Control System.Entry And Start System Wireless Door Lock Buzzer Does Not Sound

  1. Remove the wireless door lock buzzer.

  1. Measure the resistance of the buzzer.

    HINT:
    The buzzer circuit is built into the ECU, not the buzzer itself. When battery voltage is applied directly to the buzzer, the buzzer will not sound.
    Standard resistance:
    Tester Connection
    		Specified Condition
    1 - 2
    		Approx. 1 kΩ


NG
REPLACE WIRELESS DOOR LOCK BUZZER
OK

REPLACE ECU AGGREGATION BOX (CERTIFICATION ECU)