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Check Transmission Control Module

CHECK TRANSMISSION CONTROL MODULE CHART

Step Check Yes No
1 CHECK TRANSMISSION CONTROL MODULE SIGNAL. 
  1. Lift-up the vehicle and support it with safety stands.
  2. Drive the vehicle faster than 10 km/h (6 MPH).
    WARNING: Be careful not to get caught in the running wheels.
  3. Measure voltage between transmission control module connector and chassis ground.

    Connector & terminal 

    TURBO model: 

    (B56) No. 1 (+) - Chassis ground (-): 

    NON-TURBO model: 

    (B55) No. 13 (+) - Chassis ground (-): 

 Is the measured value less than 1 V or more than 5 V? Go to step 2.  Check transmission control module. < Ref. to BASIC DIAGNOSTIC PROCEDURES (4AT) or < Ref. to BASIC DIAGNOSTIC PROCEDURE (4AT) (D). >
2 CHECK HARNESS BETWEEN TRANSMISSION CONTROL MODULE AND COMBINATION METER. 
  1. Turn ignition switch to OFF.
  2. Disconnect connector from transmission control module and combination meter.
  3. Measure resistance between transmission control module harness connector and combination meter harness connector.

    Connector & terminal 

    TURBO model: 

    (B56) No. 1 - (I10) No. 13: 

    NON-TURBO model: 

    (B55) No. 13 - (I10) No. 13: 

 Is the measured value less than 10 Ω? Check speed meter. < Ref. to REMOVAL , SPEEDOMETER. > Repair wiring harness.
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