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 The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly LH (electrical key antenna) at intervals of 0.25 seconds. For the front door outside handle assembly LH (electrical key antenna) to detect when the
TERMINALS OF ECU
TERMINAL INSPECTION
(a) Disconnect the A151 skid control ECU (brake actuator assembly)
connector and measure the voltage and resistance on the wire harness side.
*a
Front view of wire harness connector
(to Skid Control ECU (Brake Actuator Assembly))
How To Proceed With Troubleshooting
Driver Side Electrical Antenna Circuit Open (B27A113)
