LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2006 >> Prius >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio/Visual >> Audio And Visual System >> Speaker Circuit >> Inspection Procedure

Inspection Procedure

  1. CHECK VEHICLE EQUIPMENT 

    Vehicle equipment 

    VEHICLE EQUIPMENT

    Vehicle equipment Proceed to
    6 speaker system A
    9 speaker system B

    B : Go to step   7 

    A : Go to next step 

  2. CHECK WIRE HARNESS (RADIO RECEIVER - SPEAKER) 
    1. Disconnect the R3 and R4 receiver connectors.
    2. Disconnect the T6, T7, R11 and R12 speaker connectors.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      R3-2 (FL+) - T6-4 Below 1 Ω
      R3--6 (FL-) - T6-2 Below 1 Ω
      R3-1 (FR+) - T7-4 Below 1 Ω
      R3--5 (FR-) - T7-2 Below 1 Ω
      R4-2 (RL+) - R11-1 Below 1 Ω
      R4--6 (RL-) - R11-2 Below 1 Ω
      R4-1 (RR+) - R12-1 Below 1 Ω
      R4-3 (RR-) - R12-2 Below 1 Ω

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 1: Checking Wire Harness (Radio Receiver - Speaker)
    G04476364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  3. CHECK WIRE HARNESS (FRONT NO. 1 SPEAKER - FRONT NO. 2 SPEAKER) 
    1. Disconnect the F12, F13, T6 and T7 speaker connectors.
    2. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      F12-1 - T6-3 Below 1 Ω
      F12-2 - T6-1 Below 1 Ω
      F13-1 - T7-3 Below 1 Ω
      F13-2 - T7-1 Below 1 Ω

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 2: Checking Wire Harness (Front No. 1 And 2 Speaker)
    G04476365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  4. INSPECT FRONT NO. 1 SPEAKER 
    1. Disconnect the F12 and F13 speaker connectors.
    2. Measure the resistance of the speaker.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      1 -- 2 Approximately 4 Ω

    NG : REPLACE FRONT NO. 1 SPEAKER 

    Fig 3: Inspecting Front No. 1 Speaker
    G04476366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  5. INSPECT FRONT NO. 2 SPEAKER 
    1. Check that the malfunction disappears when the speaker is replaced with a normal one.

      OK : 

      Malfunction disappears. 

      HINT:

      • Connect all the connectors to the front No. 2 speakers.
      • When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
      • Perform the inspection above on both LH and RH sides.

    NG : REPLACE FRONT NO. 2 SPEAKER 

    OK : GO TO NEXT STEP 

  6. INSPECT REAR NO. 1 SPEAKER 
    1. Disconnect the R11 and R12 speaker connectors.
    2. Measure the resistance of the speaker.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      1 -- 2 Approximately 4 Ω

    NG : REPLACE REAR NO. 1 SPEAKER 

    Fig 4: Inspecting Rear No. 1 Speaker
    G04476367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

    REPLACE RADIO RECEIVER 

  7. CHECK WIRE HARNESS (STEREO COMPONENT AMPLIFIER - SPEAKER) 
    1. Disconnect the S14 and S29 amplifier connectors.
    2. Disconnect the C8, F12, F13, T6, T7, T8 and T9 speaker connectors.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      S29-2 (WFL+) - F12-1 Below 1 Ω
      S29-1 (WFL-) - F12-2 Below 1 Ω
      S29-9 (WFR+) - F13-1 Below 1 Ω
      S29-3 (WFR-) - F13-2 Below 1 Ω
      S14-8 (FL+) - T6-4 Below 1 Ω
      S14-7 (FL-) - T6-2 Below 1 Ω
      S14-2 (FR+) - T7-4 Below 1 Ω
      S14-6 (FR-) - T7-2 Below 1 Ω
      S14-3 (RL+) - T8-4 Below 1 Ω
      S14-9 (RL-) - T8-2 Below 1 Ω
      S14-10 (RR+) - T9-4 Below 1 Ω
      S14-4 (RR-) - T9-2 Below 1 Ω
      S29-4 (CTR+) - C8-2 Below 1 Ω
      S29-10 (CTR-) - C8-1 Below 1 Ω

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 5: Checking Wire Harness (Stereo Component Amplifier - Speaker)
    G04476368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  8. CHECK WIRE HARNESS (REAR NO. 1 SPEAKER - REAR NO. 2 SPEAKER) 
    1. Disconnect the R11, R12, T8 and T9 speaker connectors.
    2. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      R11-1 - T8-3 Below 1 Ω
      R11-2 - T8-1 Below 1 Ω
      R12-1 - T9-3 Below 1 Ω
      R12-2 - T9-1 Below 1 Ω

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 6: Check Wire Harness (Rear No. 1 And 2 Speaker)
    G04476369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  9. INSPECT FRONT NO. 1 SPEAKER 
    1. Disconnect the F12 and F13 speaker connectors.
    2. Measure the resistance of the speaker.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      1 -- 2 Approximately 4 Ω

    NG : REPLACE FRONT NO. 1 SPEAKER 

    Fig 7: Inspecting Front No. 1 Speaker
    G04476370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  10. INSPECT FRONT NO. 2 SPEAKER 
    1. Check that the malfunction disappears when the speaker is replaced with a normal one.

      OK : 

      Malfunction disappears 

      HINT:

      • Connect all the connectors to the front No. 2 speakers.
      • When there is a possibility that either the right or left front speaker is defective, inspect by interchanging the right one with the left one.
      • Perform the inspection above on both LH and RH sides.

    NG : REPLACE FRONT NO. 2 SPEAKER 

    OK : GO TO NEXT STEP 

  11. INSPECT REAR NO. 1 SPEAKER 
    1. Disconnect the R11 and R12 speaker connectors.
    2. Measure the resistance of the speaker.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      1 -- 2 Approximately 4 Ω

    NG : REPLACE REAR NO. 1 SPEAKER 

    Fig 8: Inspecting Rear No. 1 Speaker
    G04476371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

  12. INSPECT REAR NO. 2 SPEAKER 
    1. Check that the malfunction disappears when the speaker is replaced with a normal one.

      OK : 

      Malfunction disappears. 

      HINT:

      • Connect all the connectors to the rear No. 2 speakers.
      • When there is a possibility that either the right or left rear speaker is defective, inspect by interchanging the right one with the left one.
      • Perform the inspection above on both LH or RH sides.

    NG : REPLACE REAR NO. 2 SPEAKER 

    OK : GO TO NEXT STEP 

  13. INSPECT FRONT STEREO COMPONENT SPEAKER 
    1. Disconnect the C8 speaker connector.
    2. Measure the resistance of the speaker.

      Standard resistance 

      RESISTANCE AND RECEIVER CONDITION SPECIFICATION

      Tester Connection Specified Condition
      1 -- 2 1.2 to 2.2 Ω

    NG : REPLACE FRONT STEREO COMPONENT SPEAKER 

    Fig 9: Inspecting Front Stereo Component Speaker
    G04476372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : GO TO NEXT STEP 

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  

scientia non olet · About LEMON Manuals