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 STEERING WHEEL SWITCH HOUSING
(a) Resistance Check.
*a Component without harness connected
(Steering Wheel Switch Housing)
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(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: Light Switch Circuit
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
(a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.
Click here (b) Reconnect the power distribution box assembly connectors.
(c) Measure the