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Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. 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

      Result Proceed to
      Front No. 1 speakers have problems A
      Front No. 2 speakers have problems B
      Rear speakers have problems C
      Woofer speaker has problems (w/ woofer speaker) D
      Roof speakers have problems E

    B:  Go to step  4

    C:  Go to step  6

    D:  Go to step  8

    E:  Go to step  10

    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  ).

      OK: Front No. 1 speakers are normal. 

    NG: REPLACE FRONT NO. 1 SPEAKER  (See ON-VEHICLE INSPECTION  )

    OK: Go to Next Step 

  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER) 
    1. Disconnect the E41 receiver connector.
      2. Fig 1: Identifying Radio Receiver And Front No. 1 Speaker Connectors Terminals
      G05114056Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the G4 and H4 front No. 1 speaker connectors.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E41-2(FL+) - H4-1 Below 1 Ω
      E41-6(FL-) - H4-2 Below 1 Ω
      E41-2 (FL+) or H4-1 - Body ground 10 kΩ or higher
      E41-6 (FL-) or H4-2 - Body ground 10 kΩ or higher
      E41-1 (FR+) - G4-1 Below 1 Ω
      E41-5(FR-) - G4-2 Below 1 Ω
      E41-1 (FR+) or G4-1 - Body ground 10 kΩ or higher
      E41-5 (FR-) or G4-2 - Body ground 10 kΩ or higher
    4. Reconnect the receiver connector.
    5. Reconnect the front No. 1 speaker connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

  4. INSPECT FRONT NO. 2 SPEAKERS 
    1. Check the left and right front No. 2 speakers (See ON-VEHICLE INSPECTION  ).

      OK: Front No. 2 speakers are normal. 

    NG: REPLACE FRONT NO. 2 SPEAKER  (See ON-VEHICLE INSPECTION  )

    OK: Go to Next Step 

  5. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 2 SPEAKER) 
    1. Disconnect the E41 receiver connector.
      2. Fig 2: Identifying Radio Receiver And Front No. 2 Speaker Connectors Terminals
      G05114057Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the F3 and F4 front No. 2 speaker connectors.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E41-2 (FL+) - F4-4 Below 1 Ω
      E41-6 (FL-) - F4-3 Below 1 Ω
      E41-2 (FL+) or F4-4 - Body ground 10 kΩ or higher
      E41-6 (FL-) or F4-3 - Body ground 10 kΩ or higher
      E41-1 (FR+) - F3-4 Below 1 Ω
      E41-5 (FR-) - F3-3 Below 1 Ω
      E41-1 (FR+) or F3-4 - Body ground 10 kΩ or higher
      E41-5 (FR-) or F3-3 - Body ground 10 kΩ or higher
    4. Reconnect the receiver connector.
    5. Reconnect the front No. 2 speaker connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

  6. INSPECT REAR SPEAKERS 
    1. Check the left and right rear speakers (See ON-VEHICLE INSPECTION  ).

      OK: Rear speakers are normal. 

    NG: REPLACE REAR SPEAKER  (See ON-VEHICLE INSPECTION  )

    OK: Go to Next Step 

  7. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER) 
    1. Disconnect the E42 receiver connector.
      2. Fig 3: Identifying Radio Receiver And Rear Speaker Connectors Terminals
      G05114058Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the L9 and L18 rear speaker connectors.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E42-2 (RL+) - L9-1 Below 1 Ω
      E42-6 (RL-) - L9-2 Below 1 Ω
      E42-2 (RL+) or L9-1 - Body ground 10 kΩ or higher
      E42-6 (RL-) or L9-2 - Body ground 10 kΩ or higher
      E42-1 (RR+) - L18-1 Below 1 Ω
      E42-3 (RR-) - L18-2 Below 1 Ω
      E42-1 (RR+) or L18-1 - Body ground 10 kΩ or higher
      E42-3 (RR-) or L18-2 - Body ground 10 kΩ or higher
    4. Reconnect the receiver connector.
    5. Reconnect the rear speaker connectors.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

  8. INSPECT WOOFER SPEAKER 
    1. Check the woofer speaker.

      OK: Woofer speaker is normal. 

    NG: REPLACE WOOFER SPEAKER  (See REMOVAL  )

    OK: Go to Next Step 

  9. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - WOOFER SPEAKER) 
    1. Disconnect the E42 receiver connector.
      2. Fig 4: Identifying Radio Receiver And Woofer Speaker Connectors Terminals
      G05114059Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the K4 woofer speaker connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E42-2 (RL+) - K4-2 L+) Below 1 Ω
      E42-6 (RL-) - K4-6 (L-) Below 1 Ω
      E42-2 (RL+) or K4-2 (L+) - Body ground 10 kΩ or higher
      E42-6 (RL-) or K4-6 (L-) - Body ground 10 kΩ or higher
      E42-1 (RR+) - K4-1 (R+) Below 1 Ω
      E42-3 (RR-) - K4-5 (R-) Below 1 Ω
      E42-1 (RR+) or K4-1 (R+) - Body ground 10 kΩ or higher
      E42-3 (RR-) or K4-5 (R-) - Body ground 10 kΩ or higher
    4. Reconnect the receiver connector.
    5. Reconnect the woofer speaker connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

  10. INSPECT ROOF SPEAKERS 
    1. Check the left and right roof speakers (See ON-VEHICLE INSPECTION  ).

      OK: Roof speakers are normal. 

    NG: REPLACE ROOF SPEAKER  (See ON-VEHICLE INSPECTION  )

    OK: Go to Next Step 

  11. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - CONDENSER) 
    1. Disconnect the E42 receiver connector.
      2. Fig 5: Identifying Radio Receiver And Condenser Connectors Terminals
      G05114060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the E27 condenser connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E42-2 (RL+) - E27-2 (LI+) Below 1 Ω
      E42-6 (RL-) - E27-1 (LI-) Below 1 Ω
      E42-2 (RL+) or E27-2 (LI+) - Body ground 10 kΩ or higher
      E42-6 (RL-) or E27-1 (LI-) - Body ground 10 kΩ or higher
      E42-1 (RR+) - E27-4 (RI+) Below 1 Ω
      E42-3 (RR-) - E27-3 (RI-) Below 1 Ω
      E42-1 (RR+) or E27-4 (RI+) - Body ground 10 kΩ or higher
      E42-3 (RR-) or E27-3 (RI-) - Body ground 10 kΩ or higher
    4. Reconnect the receiver connector.
    5. Reconnect the condenser connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  12. CHECK HARNESS AND CONNECTOR (CONDENSER - ROOF SPEAKER) 
    1. Disconnect the E42 receiver connector.
      2. Fig 6: Identifying Roof Speaker And Condenser Connectors Terminals
      G05114061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the E27 condenser connector.
    3. Measure the resistance.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Specified Condition
      E27-2 (LO+) - R4-1 Below 1 Ω
      E27-5 (LO-) - R4-2 Below 1 Ω
      E27-2 (LO+) or R4-1 - Body ground 10 kΩ or higher
      E27-5 (LO-) or R4-2 - Body ground 10 kΩ or higher
      E27-8 (RO+) - R5-1 Below 1 Ω
      E27-7 (RO-) - R5-2 Below 1 Ω
      E27-8 (RO+) or R5-1 - Body ground 10 kΩ or higher
      E27-7 (RO-) or R5-2 - Body ground 10 kΩ or higher
    4. Reconnect the receiver connector.
    5. Reconnect the condenser connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  13. REPLACE CONDENSER 
    1. Temporarily replace the condenser with a new or normally functioning one.
    2. Check that the sound is normal.

      OK: Sound is normal. 

    NG: END 

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

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