Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

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CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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2.
CUSTOMER PROBLEM ANALYSIS
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CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the GTS when the ECM is in check mode. In check mode, the ECM uses 1 tri
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by
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DESCRIPTION This DTC will be stored if the operation of the sliding roof is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off.
DTC No. Detection Item
DTC Detection Condition Trouble Area
DTC Output from
B23457E Sliding Roof Motor Control A
DESCRIPTION The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. If these DTCs are output, replace the battery ECU assembly.
DTC No. Detection Item
DTC Detection Condition
Trouble Area MIL
Warning Ind