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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT PARKING BRAKE SWITCH CIRCUIT 
    1. Check for an open or short circuit in the parking brake switch circuit (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
    1. NG: REPAIR OR REPLACE PARKING BRAKE SWITCH CIRCUIT 
    2. OK: Go to next step. 
  2. INSPECT BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT 
    1. Check the brake fluid level in reservoir.
    2. Check for an open and shot circuit in brake fluid level warning switch circuit (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
    1. NG: REPAIR OR REPLACE BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT 
    2. OK: Go to next step. 
  3. CHECK DTC ONCE MORE 
    1. Check if the other DTCs are detected (See PRE-CHECK ).
    1. NG: REPAIR CIRCUIT INDICATED BY OUTPUT CODE 
    2. OK: Go to next step. 
  4. INSPECT COMBINATION METER ASSEMBLY (BRAKE WARNING LIGHT CIRCUIT) 
    1. Check for an open or short circuit in the combination meter (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
    1. NG: REPAIR OR REPLACE COMBINATION METER ASSEMBLY 
    2. OK: Go to next step. 
  5. CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR - COMBINATION METER) 
    1. Check for an open or short circuit in harness and connector between the brake actuator and combination meter (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPLACE BRAKE ACTUATOR ASSY (See  REPLACEMENT  ) 
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