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Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SPEAKER 
    1. Check whether sound is emitted from each speaker.

      Result 

      RESULT REFERENCE

      Result Proceed to
      Front No. 1 speakers have problems A
      Rear speakers have problems B

    B: Go to step  4

    A: GO TO NEXT STEP 

  2. INSPECT FRONT NO. 1 SPEAKERS 
    1. Check the left and right front No. 1 speakers (See ON-VEHICLE INSPECTION - FRONT NO. 1 SPEAKER (FOR HATCHBACK)  or ON-VEHICLE INSPECTION - FRONT NO. 1 SPEAKER (FOR SEDAN)  ).

      OK: Front No. 1 speakers are normal. 

    NG: REPLACE FRONT NO. 1 SPEAKER 

    OK: GO TO NEXT STEP 

  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER) 
    1. Disconnect the D10 receiver connector.
    2. Disconnect the front No. 1 speaker connector.
    3. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D10-2(FL+)-G6-1 Below 1 Ω
      D10-6 (FL-) - G6-2 Below 1 Ω
      D10-2 (FL+) - Body ground 10 kΩ or higher
      D10-6(FL-) - Body ground 10 kΩ or higher
      D10-1 (FR+) - F6-1 Below 1 Ω
      D10-5(FR-)-F6-2 Below 1 Ω
      D10-1 (FR+) - Body ground 10 kΩ or higher
      D10-1 (FR+) - Body ground 10 kΩ or higher
    4. Fig 1: Identifying Radio Receiver And Front No 1 Speaker Connectors
      G04833498Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

  4. INSPECT REAR SPEAKERS 
    1. Check the left and right rear speakers (See ON-VEHICLE INSPECTION - REAR SPEAKER (FOR SEDAN)  , ON-VEHICLE INSPECTION - REAR SPEAKER (FOR HATCHBACK 5 DOOR)  or ON-VEHICLE INSPECTION - REAR SPEAKER (FOR HATCHBACK 3 DOOR)  ).

      OK: Rear speakers are normal. 

    NG: REPLACE REAR SPEAKER 

    OK: GO TO NEXT STEP 

  5. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER) 
    1. Disconnect the D11 receiver connector.
    2. Disconnect the rear speaker connectors.
    3. Measure the resistance.

      Standard resistance (Hatchback 3-Door Models) 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D11-2(RL+)-J27-1 Below 1 Ω
      D11-6(RL-)-J27-2 Below 1 Ω
      D11-1 (RR+)-J26-1 Below 1 Ω
      D11-3(RR-)-J26-2 Below 1 Ω

      Standard resistance (Hatchback 5-Door Models) 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D11-2(RL+)-l4-1 Below 1 Ω
      D11-6{RL-)-l4-2 Below 1 Ω
      D11-1(RR+)-H4-1 Below 1 Ω
      D11-3(RR-)-H4-2 Below 1 Ω

      Standard resistance (Sedan) 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D11-2(RL+)-J39-1 Below 1 Ω
      D11-6(RL-)-J39-2 Below 1 Ω
      D11-1(RR+)-J38-1 Below 1 Ω
      D11-3(RR-)-J38-2 Below 1 Ω

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D11-2 (RL+) - Body ground 10 kΩ or higher
      D11-6 (RL-) - Body ground 10 kΩ or higher
      D11-1 (RR+) - Body ground 10 kΩ or higher
      D11-3 (RR-) - Body ground 10 kΩ or higher
      Fig 2: Identifying Radio Receiver And Rear Speaker Connectors
      G04833499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE