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TCM Branch Line Circuit Check

DIAGNOSIS PROCEDURE

Step Action YES NO
CHECK CONNECTOR 
  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Check the terminals and connectors of the A/T assembly for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal? 
GO TO 2. Repair the terminal and connector.
CHECK HARNESS FOR OPEN CIRCUIT 
  1. Disconnect the connector of A/T assembly.
  2. Check the resistance between the A/T assembly harness connector terminals.
G06446841Courtesy of SUZUKI OF AMERICA CORP.

Is the measurement value within the specification? 
GO TO 3. Repair the TCM branch line.
CHECK HARNESS FOR OPEN CIRCUIT 
  1. Remove the control valve with TCM. Refer to [CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2: ON-VEHICLE REPAIR ]
  2. Disconnect the connector of TCM.
  3. Check the continuity between the A/T assembly harness connector and TCM harness connector.
G06446842Courtesy of SUZUKI OF AMERICA CORP.

Is the inspection result normal? 
GO TO 4. Repair the harness between the A/T assembly harness connector and the TCM harness connector.
CHECK POWER SUPPLY AND GROUND CIRCUIT 
Check the power supply and the ground circuit of the TCM. Refer to [MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK ]
Is the inspection result normal? 
Replace the control valve with TCM. Refer to [CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2: ON-VEHICLE REPAIR ] Error was detected in the TCM branch line.