Inspection Procedure

HINT:

Before the procedure, check that the multiplex communication system DTCs are not output (see DTC CHECK/CLEAR ).

1. READ VALUE OF HAND-HELD TESTER 
   1. Connect the hand-held tester to the DLC3.
   2. Turn the ignition switch to the ON position and turn the hand-held tester main switch on.
   3. Select the items below in the DATA LIST, and read the displays on the hand- held tester.

   COMBINATION SWITCH (TURN SIGNAL SWITCH ASSY): 

   Fig 1: Diagnostic Chart

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   OK: Condition sign can be displayed. 

   1. NG: Go to step 2 
   2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
2. INSPECT TURN SIGNAL SWITCH ASSY (COMBINATION SWITCH) 
   Fig 2: Voltage Reference Chart

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   1. Disconnect the connector from the combination switch.
   2. Measure the voltage according to the value (s) in the figure Fig 3 below.

   Standard: 

   Fig 3: Inspecting Turn Signal Switch Assy (Combination Switch)

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   1. NG: Go to step 3 
   2. OK: REPLACE TURN SIGNAL SWITCH ASSY (COMBINATION SWITCH) 
3. CHECK HARNESS AND CONNECTOR 
   Fig 4: Voltage Reference Chart

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   1. Measure the voltage according to the value (s) in the figure Fig 5 below.

   Standard: 

   Fig 5: Checking Harness And Connector

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   1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH CIRCUIT OR BATTERY CIRCUIT) 
   2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)