Speaker Circuit: Procedure

1. Disconnect the N15 and N16 stereo component amplifier assembly connectors.
2. Disconnect the H5 and G5 front No. 1 speaker assembly connectors.
3. Disconnect the F3 and f1 front No. 2 speaker assembly connectors.
4. Disconnect the K1 and J1 rear speaker assembly connectors.
5. Disconnect the T6 stereo component speaker assembly connector.
6. Measure the resistance between each of the front No. 1 speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N15-2 (FL+) - H5-1	Always	Below 1 Ω
   N15-1 (FL-) - H5-2	Always	Below 1 Ω
   N15-9 (FR+) - G5-1	Always	Below 1 Ω
   N15-3 (FR-) - G5-2	Always	Below 1 Ω

7. Measure the resistance between each of the front No. 2 speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N16-8 (FL+) - F3-1	Always	Below 1 Ω
   N16-7 (FL-) - F3-2	Always	Below 1 Ω
   N16-2 (FR+) - f1-1	Always	Below 1 Ω
   N16-6 (FR-) - f1-2	Always	Below 1 Ω

8. Measure the resistance between each of the rear speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N16-3 (RL+) - K1-1	Always	Below 1 Ω
   N16-9 (RL-) - K1-2	Always	Below 1 Ω
   N16-10 (RR+) - J1-1	Always	Below 1 Ω
   N16-4 (RR-) - J1-2	Always	Below 1 Ω

9. Measure the resistance between each of the stereo component speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N15-5 (WFL+) - T6-4 (WF+)	Always	Below 1 Ω
   N15-12 (WFL-) - T6-3 (WF-)	Always	Below 1 Ω
   N15-4 (WFR+) - T6-1 (WF+)	Always	Below 1 Ω
   N15-10 (WFR-) - T6-2 (WF-)	Always	Below 1 Ω

10. Measure the resistance between each speaker and body ground to check for a short circuit in the wire harness.

    Standard Resistance

    Tester Connection	Condition	Specified Condition
    N15-2 (FL+) - Body ground	Always	10 kΩ or higher
    N15-1 (FL-) - Body ground	Always	10 kΩ or higher
    N15-9 (FR+) - Body ground	Always	10 kΩ or higher
    N15-3 (FR-) - Body ground	Always	10 kΩ or higher
    N16-8 (FL+) - Body ground	Always	10 kΩ or higher
    N16-7 (FL-) - Body ground	Always	10 kΩ or higher
    N16-2 (FR+) - Body ground	Always	10 kΩ or higher
    N16-6 (FR-) - Body ground	Always	10 kΩ or higher
    N16-3 (RL+) - Body ground	Always	10 kΩ or higher
    N16-9 (RL-) - Body ground	Always	10 kΩ or higher
    N16-10 (RR+) - Body ground	Always	10 kΩ or higher
    N16-4 (RR-) - Body ground	Always	10 kΩ or higher
    N15-5 (WFL+) - Body ground	Always	10 kΩ or higher
    N15-12 (WFL-) - Body ground	Always	10 kΩ or higher
    N15-4 (WFR+) - Body ground	Always	10 kΩ or higher
    N15-10 (WFR-) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Resistance check
   Fig 1: Identifying Front No. 1 Speaker Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the resistance between the terminals of the speaker.

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      H5-1 - H5-2	Always	1.8 to 2.6 Ω
      G5-1 - G5-2	Always	1.8 to 2.6 Ω

      NOTE:

      The speaker should not be removed to check resistance.

      TEXT IN ILLUSTRATION
      
      

      *a	Component without harness connected (Front No. 1 Speaker Assembly)

NG → See step   7 

OK: Go to next step 

1. Resistance check
   Fig 2: Inspecting Front No. 2 Speaker Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the resistance between the terminals of the speaker.

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      F3-1 - F3-2	Always	1.5 to 2.5 Ω
      f1-1 - f1-2	Always	1.5 to 2.5 Ω

      NOTE:

      The speaker should not be removed to check resistance.

      TEXT IN ILLUSTRATION
      
      

      *a	Component without harness connected (Front No. 2 Speaker Assembly)

NG → See step   8 

OK: Go to next step 

1. Resistance check
   Fig 3: Inspecting Rear Speaker Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the resistance between the terminals of the speaker.

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      K1-1 - K1-2	Always	2.1 to 3.1 Ω
      J1-1 - J1-2	Always	2.1 to 3.1 Ω

      NOTE:

      The speaker should not be removed to check resistance.

      TEXT IN ILLUSTRATION
      
      

      *a	Component without harness connected (Rear Speaker Assembly)

NG → See step   9 

OK: Go to next step 

1. Resistance check
   Fig 4: Inspecting Stereo Component Speaker Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the resistance between the terminals of the speaker.

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      T6-1 (WF+) - T6-2 (WF-)	Always	1.6 to 2.4 Ω
      T6-3 (WF-) - T6-4 (WF+)	Always	1.6 to 2.4 Ω

      NOTE:

      The speaker should not be removed to check resistance.

      TEXT IN ILLUSTRATION
      
      

      *a	Component without harness connected (Stereo Component Speaker Assembly)

NG → See step   10 

OK → See step   6