Scan Tool Testing and Procedures

INDIVIDUAL SWITCH INSPECTION CHART (SST-SELF-DIAGNOSIS CHECKER)

PREPARATION
Individual switches can be inspected by the self diagnosis tester (SST).The TEN terminal of the data link connector must be grounded and the ignition switch turned to ON (engine off). If either switch remains activated, the monitor lamp will be illuminated.




CONNECTION PROCEDURE
1. Perform preparation procedure.
2. Connect the System Selector (SST) to the data link connector.
3. Set switch "A" to position "1".
4. Set the test switch to SELF-TEST.




5. Connect the Self-Diagnosis Checker (SST) to the System Selector and a ground.
6. Set the select switch of the Self-Diagnosis Checker to position "A".
7. Turn the ignition switch ON, engine OFF.
8. Check if the Monitor Lamp illuminates when each switch is made to function as described in the tables.




Switch Test Procedure




Neutral and Clutch Switches (MTX)




Closed Throttle Position Switch




A/C Switch (ACS)




Brake Switch




Headlight Switch




Blower Switch




Coolant Fan Relay