Toyota Corolla Cross: Power Back Door System
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PARTS LOCATION ILLUSTRATION
*1 POWER BACK DOOR UNIT ASSEMBLY SET LH
*2 MULTIPLEX NETWORK DOOR ECU
*3 POWER BACK DOOR WARNING BUZZER
*4 POWER BACK DOOR UNIT ASSEMBLY SET
CAUTION / NOTICE / HINT
HINT:
The power back door system troubleshooting procedure is based on the premise that the smart key system (for Entry Function) is operating normally. Check the power back
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REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 FRONT WHEEL RH
- -
- -
2 NO. 1 ENGINE UNDER COVER ASSEMBLY
51410 -
- -
3 REAR ENGINE UNDER COVER RH
51443C -
- -
MONITOR DESCRIPTION The ECM uses air fuel ratio sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor (sensor 1), sends pre-catalyst information to the ECM. The second sensor, the air fuel ratio sensor