Inspection Procedure
- CHECK WIRELESS DOOR LOCK CONTROL FUNCTION
- Check the wireless door lock control functions by operating the transmitter switch.
Result:
RESULT CHARTResult Proceed to Wireless door lock functions are normal but hazard warning lights answer-back does not occur A Wireless door lock functions are normal but wireless door lock buzzer answer-back does not occur B Doors cannot be locked and unlocked with transmitter C B: Go to step 4
C: Go to FLOWCHART
A: Go to next step
- PERFORM ACTIVE TEST USING TECHSTREAM (FLSH RELAY)
- Select the ACTIVE TEST, use the Techstream to generate a control command, and then check that the hazard warning lights flash.
Main Body:
ACTIVE TEST CHARTItem Test Details Control Range Diagnostic Note Hazard Turns FLSH relay ON / OFF - OK: Hazard warning lights are turned ON / OFF.
NG: Go to step 3
OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
- CHECK HAZARD WARNING LIGHT
- Check that the hazard warning lights flash continuously when the hazard warning signal switch is pressed.
OK: Hazard warning lights flash continuously.
NG: Go to LIGHTING SYSTEM
OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
- PERFORM ACTIVE TEST USING TECHSTREAM (WIRELESS DOOR LOCK BUZZER)
- Select the ACTIVE TEST, use the Techstream to generate a control command, and then check that the wireless door lock buzzer sounds.
Smart Key:
ACTIVE TEST CHARTTester Display Test Part Control Range Diagnostic Note Wireless Buzzer Operation Sounds wireless door lock buzzer ON / OFF - OK: Wireless door lock buzzer sounds.
NG: Go to step 5
OK: REPLACE CERTIFICATION ECU
- CHECK WIRE HARNESS (WIRELESS DOOR LOCK BUZZER - MAIN BODY ECU AND BODY GROUND)
- Disconnect the A10 buzzer connector.
- Disconnect the E84 ECU connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition A10-1 - E84-21 (BZR) Below 1 Ω A10-2 - Body ground A10-1 or E84-21 (BZR) - Body ground 10 kΩ or higher NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to next step
- CHECK WIRELESS DOOR LOCK BUZZER (OPERATION)
- Temporarily replace the wireless door lock buzzer with a new one.
- Check that the wireless door lock buzzer sounds by using the transmitter lock/unlock switch.
OK: Wireless door lock buzzer sounds.
NG: REPLACE CERTIFICATION ECU
OK: END (WIRELESS DOOR LOCK BUZZER IS DEFECTIVE)