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4WD Branch Line Circuit Check

DIAGNOSIS PROCEDURE

Step Action YES NO
1  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 transfer control unit for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal? 		 GO TO 2. Repair the terminal and connector.
2  CHECK HARNESS FOR OPEN CIRCUIT 
  1. Disconnect the connector of transfer control unit.
  2. Check the resistance between the transfer control unit harness connector terminals.
G06446843Courtesy of SUZUKI OF AMERICA CORP.

Is the measurement value within the specification? 		 GO TO 3. Repair the transfer control unit branch line.
3  CHECK POWER SUPPLY AND GROUND CIRCUIT 
Check the power supply and the ground circuit of the transfer control unit. Refer to [P1801, P1811 POWER SUPPLY CIRCUIT FOR TRANSFER CONTROL UNIT ]
Is the inspection result normal? 		 Replace the transfer control unit. Refer to [TRANSFER CONTROL UNIT: REMOVAL AND INSTALLATION ] Error was detected in the transfer control unit branch line.
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