Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the rear view monitor system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed i
TERMINALS OF ECU
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Disconnect the I55 and I253 radio and display receiver assembly
connectors.
(b) Measure the voltage and resistance according to th
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PARTS LOCATION
ILLUSTRATION
*1
SPIRAL CABLE SUB-ASSEMBLY
*2
STEERING HEATER SWITCH
*3
STEERING WHEEL ASSEMBLY
- STEERING WHEEL HEATER UNIT
*4
NO. 2 RELAY BLOCK ASSEMBLY
- STRG HTR RELAY
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 DECK BOARD ASSEMBLY
- -
- -
2 DECK FLOOR BOX LH
64997 -
- -
3 DECK FLOOR BOX RH
64995 -
- -
4 NO. 3 IND