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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INSPECTION
PROCEDURE
1. INSPECT REAR SHOCK ABSORBER ASSEMBLY
(a) Compress and extend the rear shock absorber rod 4 or more times.
Standard:
When compressed and extended at a constant speed, the stroke of the shock absorber
rod is smooth with no abnormal resistance or sounds. When extended, t
DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts of the EFI-MAIN NO. 1 relay and sup