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Home >> Toyota >> 2004 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 601 (Lighting System - Diagnosis) >> Combination Switch Power Source Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

WARNING: This page is about a different car, the 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT TURN SIGNAL SWITCH ASSEMBLY 
    1. Connect the combination switch.
    2. Measure voltage between terminals B and E of the combination switch.

      OK: 

      Voltage: 10 - 14V 

    3. Turn the ignition switch ON.
    4. Measure voltage between terminals IG and E of combination switch.

      OK: 

      Voltage: 10 - 14V 

    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOM TABLE, see  PROBLEM SYMPTOMS TABLE  . 
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