LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2019 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System - Diagnostic Codes & Symptom Tests - (Except Hybrid) >> Audio And Visual System >> Circuit Tests >> Speaker Circuit [12/2013 - 11/2016] >> Procedure

Speaker Circuit [12/2013 - 11/2016]: Procedure

  1. CHECK SPEAKER (OPERATION CHECK) 
    1. Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
      GTY452678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [12/2013 - 11/2015] Refer to OPERATION CHECK [11/2015 - 11/2016]

    2. Perform the operation check above and determine the speaker that is not operating.

      Result

      Not Operating Speaker Proceed to
      Front No. 1 speaker assembly or front No. 2 speaker assembly
      (w/o Manual (SOS) Switch)      		 A
      Front No. 1 speaker assembly or front No. 2 speaker assembly
      (w/ Manual (SOS) Switch)      		 B
      Rear speaker assembly C

      HINT: 

      If sound cannot be heard from any speaker, inspect all of them.

    Result:  6

    B 

    See step  3

    Result:  5

    C 

    See step  8

    Result:  1

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the F69 radio and display receiver assembly connector.
    2. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
    3. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
    4. Measure the resistance between each of the front No. 2 speaker assemblies and the radio and display receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F69-1 (FR+) - G1-4 (+) Always Below 1 Ω
      F69-5 (FR-) - G1-2 (-) Always Below 1 Ω
      F69-2 (FL+) - G5-4 (+) Always Below 1 Ω
      F69-6 (FL-) - G5-2 (-) Always Below 1 Ω
    5. Measure the resistance between each of the front No. 1 speaker assemblies and the front No. 2 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H3-1 - G1-3 (+) Always Below 1 Ω
      H3-2 - G1-1 (-) Always Below 1 Ω
      I3-1 - G5-3 (+) Always Below 1 Ω
      I3-2 - G5-1 (-) Always Below 1 Ω
    6. Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F69-1 (FR+) - Body ground Always 10 kΩ or higher
      F69-5 (FR-) - Body ground Always 10 kΩ or higher
      F69-2 (FL+) - Body ground Always 10 kΩ or higher
      F69-6 (FL-) - Body ground Always 10 kΩ or higher
    7. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G1-3 (+) - Body ground Always 10 kΩ or higher
      G1-1 (-) - Body ground Always 10 kΩ or higher
      G5-3 (+) - Body ground Always 10 kΩ or higher
      G5-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    See step  4

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  3. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) 
    1. Disconnect the F69 radio and display receiver assembly connector.
    2. Disconnect the H3 and I3 front No. 1 speaker assembly connectors.
    3. Disconnect the G1 and G5 front No. 2 speaker assembly connectors.
    4. Disconnect the F35 DCM (telematics transceiver) connector.
    5. Measure the resistance between the radio and display receiver assembly and the DCM (telematics transceiver) to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F69-1 (FR+) - F35-2 (SPI+) Always Below 1 Ω
      F69-5 (FR-) - F35-3 (SPI-) Always Below 1 Ω
    6. Measure the resistance between the DCM (telematics transceiver) and the front No. 2 speaker assembly RH to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F35-5 (SPO+) - G1-4 (+) Always Below 1 Ω
      F35-6 (SPO-) - G1-2 (-) Always Below 1 Ω
    7. Measure the resistance between the radio and display receiver assembly and the front No. 2 speaker assembly LH to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F69-2 (FL+) - G5-4 (+) Always Below 1 Ω
      F69-6 (FL-) - G5-2 (-) Always Below 1 Ω
    8. Measure the resistance between each of the front No. 1 speaker assemblies and the front No. 2 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H3-1 - G1-3 (+) Always Below 1 Ω
      H3-2 - G1-1 (-) Always Below 1 Ω
      I3-1 - G5-3 (+) Always Below 1 Ω
      I3-2 - G5-1 (-) Always Below 1 Ω
    9. Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F69-1 (FR+) - Body ground Always 10 kΩ or higher
      F69-5 (FR-) - Body ground Always 10 kΩ or higher
      F69-2 (FL+) - Body ground Always 10 kΩ or higher
      F69-6 (FL-) - Body ground Always 10 kΩ or higher
    10. Measure the resistance between the DCM (telematics transceiver) and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F35-5 (SPO+) - Body ground Always 10 kΩ or higher
      F35-6 (SPO-) - Body ground Always 10 kΩ or higher
    11. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G1-3 (+) - Body ground Always 10 kΩ or higher
      G1-1 (-) - Body ground Always 10 kΩ or higher
      G5-3 (+) - Body ground Always 10 kΩ or higher
      G5-1 (-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  4

  4. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY 
    1. Remove the front No. 1 speaker assembly.

      Refer to REMOVAL [12/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY451014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 1 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [12/2013 - ] 

    Result:  1

    OK 

    See step  5

  5. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Remove the front No. 2 speaker assembly.

      Refer to REMOVAL [12/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY447190Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front No. 2 Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      4 (+) - 2 (-) Always 10 kΩ or higher
      3 (+) - 4 (+) Always Below 1 Ω
      1 (-) - 2 (-) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY. Refer to  REMOVAL [12/2013 - ] 

    Result:  1

    OK 

    See step  6

  6. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY 
    1. Check that the malfunction disappears when a known good speaker is installed.

      Refer to REMOVAL [12/2013 - ]

      OK

      Malfunction disappears.

      HINT: 

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

      Result

      Result Proceed to
      OK A
      NG (w/o Manual (SOS) Switch) B
      NG (w/ Manual (SOS) Switch) C

    Result:  1

    A 

    END 

    Result:  3

    B 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2013 - 11/2015]  Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 11/2016] 

    Result:  2

    C 

    See step  7

  7. INSPECT DCM (TELEMATICS TRANSCEIVER) 
    1. Remove the DCM (telematics transceiver).

      Refer to REMOVAL [12/2013 - 11/2016]

    2. Measure the resistance according to the value(s) in the table below.
      GTY450683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (DCM (Telematics Transceiver))

      Standard Resistance

      Tester Connection Condition Specified Condition
      2 (SPI+) - 5 (SPO+) Always Below 1 Ω
      3 (SPI-) - 6 (SPO-) Always Below 1 Ω
      2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher
      5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher
      2 (SPI+) - Body ground Always 10 kΩ or higher
      3 (SPI-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  3

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2013 - 11/2015]  Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 11/2016] 

    Result:  2

    NG 

    REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [12/2013 - 11/2016] 

  8. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) 
    1. Disconnect the F70 radio and display receiver assembly connector.
    2. Disconnect the K4 and J4 rear speaker assembly connectors.
    3. Measure the resistance between each of the rear speaker assemblies and the radio and display receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F70-1 (RR+) - J4-1 Always Below 1 Ω
      F70-3 (RR-) - J4-2 Always Below 1 Ω
      F70-2 (RL+) - K4-1 Always Below 1 Ω
      F70-6 (RL-) - K4-2 Always Below 1 Ω
    4. Measure the resistance between the radio and display receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F70-1 (RR+) - Body ground Always 10 kΩ or higher
      F70-3 (RR-) - Body ground Always 10 kΩ or higher
      F70-2 (RL+) - Body ground Always 10 kΩ or higher
      F70-6 (RL-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  9

  9. INSPECT REAR SPEAKER ASSEMBLY 
    1. Remove the rear speaker assembly.

      Refer to REMOVAL [12/2013 - ]

    2. Measure the resistance according to the value(s) in the table below.
      GTY451014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear Speaker Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Always 3.2 to 4.8 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2013 - 11/2015]  Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 11/2016] 

    Result:  2

    NG 

    REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [12/2013 - ] 

scientia non olet · About LEMON Manuals