METER / GAUGE SYSTEM Speed Signal Circuit

DTC Code DTC Name
Speed Signal Circuit

DESCRIPTION

The vehicle speed signal consists of pulses sent to the combination meter assembly from the brake actuator assembly (skid control ECU).

WIRING DIAGRAM

E270443E01

CAUTION / NOTICE / HINT

Note:

  • Before replacing the certification ECU (smart key ECU assembly), refer to the Service Bulletin.

  • When replacing the combination meter assembly, make sure to replace it with a new one.

PROCEDURE

  1. CHECK VEHICLE TYPE

    1. Check vehicle type.

    Result

    Proceed to

    for Radio Receiver Type

    for Navigation Receiver Type

    for Radio and Display Type
    for Navigation Receiver Type

    CHECK NAVIGATION ECU SUB-ASSEMBLYClick here

    for Radio and Display Type

    CHECK RADIO AND DISPLAY RECEIVER ASSEMBLYClick here

    for Radio Receiver Type

  2. CHECK RADIO RECEIVER ASSEMBLY

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)

    • *1: w/ Rain Sensor

    • *2: w/ Automatic Headlight Beam Level Control System

    • *3: w/ Entry and Start System

    • *4: except Manual Transaxle

    • *5: Engine Type Diesel

    • *6: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G85 windshield wiper relay assembly connector.*1

    3. Disconnect the A67 headlight leveling ECU assembly connector.*2

    4. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*3

    5. Disconnect the B79 TCM connector.*4

    6. Disconnect the A61*5 or A62*6 ECM connector.

    7. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO RECEIVER ASSEMBLY)Click here

    OK

  3. CHECK WINDSHIELD WIPER RELAY ASSEMBLY

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)
    Note:

    For vehicle without a rain sensor, proceed to next step.

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Automatic Headlight Beam Level Control System

    • *5: w/ Entry and Start System

    • *6: except Manual Transaxle

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G48 radio receiver assembly connector.*1

    3. Disconnect the G139 navigation ECU sub-assembly connector.*2

    4. Disconnect the G143 radio and display receiver assembly connector.*3

    5. Disconnect the A67 headlight leveling ECU assembly connector.*4

    6. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*5

    7. Disconnect the B79 TCM connector.*6

    8. Disconnect the A61*7 or A62*8 ECM connector.

    9. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - WINDSHIELD WIPER RELAY ASSEMBLY)Click here

    OK

  4. CHECK HEADLIGHT LEVELING ECU ASSEMBLY

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)
    Note:

    For vehicle without an automatic headlight beam level control system, proceed to next step.

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Entry and Start System

    • *6: except Manual Transaxle

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G48 radio receiver assembly connector.*1

    3. Disconnect the G139 navigation ECU sub-assembly connector.*2

    4. Disconnect the G143 radio and display receiver assembly connector.*3

    5. Disconnect the G85 windshield wiper relay assembly connector.*4

    6. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*5

    7. Disconnect the B79 TCM connector.*6

    8. Disconnect the A61*7 or A62*8 ECM connector.

    9. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT LEVELING ECU)Click here

    OK

  5. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)
    Note:

    For vehicle without an entry and start system, proceed to next step.

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Automatic Headlight Beam Level Control System

    • *6: except Manual Transaxle

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G48 radio receiver assembly connector.*1

    3. Disconnect the G139 navigation ECU sub-assembly connector.*2

    4. Disconnect the G143 radio and display receiver assembly connector.*3

    5. Disconnect the G85 windshield wiper relay assembly connector.*4

    6. Disconnect the A67 headlight leveling ECU assembly connector.*5

    7. Disconnect the B79 TCM connector.*6

    8. Disconnect the A61*7 or A62*8 ECM connector.

    9. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])Click here

    OK

  6. CHECK TCM

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)
    Note:

    For vehicle manual transaxle, proceed to next step.

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Automatic Headlight Beam Level Control System

    • *6: w/ Entry and Start System

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G48 radio receiver assembly connector.*1

    3. Disconnect the G139 navigation ECU sub-assembly connector.*2

    4. Disconnect the G143 radio and display receiver assembly connector.*3

    5. Disconnect the G85 windshield wiper relay assembly connector.*4

    6. Disconnect the A67 headlight leveling ECU assembly connector.*5

    7. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*6

    8. Disconnect the A61*7 or A62*8 ECM connector.

    9. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])Click here

    OK

  7. CHECK ECM

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Automatic Headlight Beam Level Control System

    • *6: w/ Entry and Start System

    • *7: except Manual Transaxle

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G48 radio receiver assembly connector.*1

    3. Disconnect the G139 navigation ECU sub-assembly connector.*2

    4. Disconnect the G143 radio and display receiver assembly connector.*3

    5. Disconnect the G85 windshield wiper relay assembly connector.*4

    6. Disconnect the A67 headlight leveling ECU assembly connector.*5

    7. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*6

    8. Disconnect the B79 TCM connector.*7

    9. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])Click here

    OK

  8. CHECK COMBINATION METER ASSEMBLY (OUTPUT VOLTAGE)

    E235636C02

    *A

    w/o VSC

    *B

    w/ VSC

    *a

    Front view of wire harness connector

    (to Brake Actuator Assembly (Skid Control ECU))

    • *1: w/o VSC

    • *2: w/VSC

    1. Disconnect the A63*1 or A64*2 brake actuator assembly (skid control ECU) connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Table 1. w/o VSC

      Tester Connection

      Switch Condition

      Specified Condition

      A63-22 (SP1) - Body ground

      Ignition switch ON

      11 to 14 V
      Table 2. w/ VSC

      Tester Connection

      Switch Condition

      Specified Condition

      A64-11 (SP1) - Body ground

      Ignition switch ON

      11 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - BRAKE ACTUATOR ASSEMBLY [SKID CONTROL ECU])Click here

    OK

  9. CHECK COMBINATION METER ASSEMBLY (SPEED SIGNAL)

    E200403N05

    1. Remove the combination meter assembly with the connector(s) still connected.

      Click here

    2. Connect an oscilloscope to terminal G16-5 (SI) and body ground.

    3. Check the signal waveform according to the condition(s) in the table below.

      Table 3. Measurement Condition

      Item

      Condition

      Tester Connection

      G16-5 (SI) - Body ground

      Tool Setting

      5 V/DIV., 20 ms./DIV.

      Vehicle Condition

      Driving at approximately 20 km/h (12 mph)
      Tip:

      When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by A in the illustration narrows.

      OK

      The waveform displayed is as shown in the illustration.

    Result

    Proceed to

    OK

    NG (w/o VSC)

    NG (w/ VSC)
    OK

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    NG (w/o VSC)

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

    Click here

    NG (w/ VSC)

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

    Click here

  10. CHECK NAVIGATION ECU SUB-ASSEMBLY

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)

    • *1: w/ Rain Sensor

    • *2: w/ Automatic Headlight Beam Level Control System

    • *3: w/ Entry and Start System

    • *4: except Manual Transaxle

    • *5: Engine Type Diesel

    • *6: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G85 windshield wiper relay assembly connector.*1

    3. Disconnect the A67 headlight leveling ECU assembly connector.*2

    4. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*3

    5. Disconnect the B79 TCM connector.*4

    6. Disconnect the A61*5 or A62*6 ECM connector.

    7. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    OK

    CHECK WINDSHIELD WIPER RELAY ASSEMBLYClick here

    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NAVIGATION ECU SUB-ASSEMBLY)Click here

  11. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO RECEIVER ASSEMBLY)

    • *1: w/ Rain Sensor

    • *2: w/ Automatic Headlight Beam Level Control System

    • *3: w/ Entry and Start System

    • *4: except Manual Transaxle

    • *5: Engine Type Diesel

    • *6: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G48 radio receiver assembly connector.

    3. Disconnect the G85 windshield wiper relay assembly connector.*1

    4. Disconnect the A67 headlight leveling ECU assembly connector.*2

    5. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*3

    6. Disconnect the B79 TCM connector.*4

    7. Disconnect the A61*5 or A62*6 ECM connector.

    8. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - G48-17 (SP1)

      Always

      Below 1 Ω

      G16-6 (+S) or G48-17 (SP1) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE RADIO RECEIVER ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - WINDSHIELD WIPER RELAY ASSEMBLY)

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Automatic Headlight Beam Level Control System

    • *5: w/ Entry and Start System

    • *6: except Manual Transaxle

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G85 windshield wiper relay assembly connector.

    3. Disconnect the G48 radio receiver assembly connector.*1

    4. Disconnect the G139 navigation ECU sub-assembly connector.*2

    5. Disconnect the G143 radio and display receiver assembly connector.*3

    6. Disconnect the A67 headlight leveling ECU assembly connector.*4

    7. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*5

    8. Disconnect the B79 TCM connector.*6

    9. Disconnect the A61*7 or A62*8 ECM connector.

    10. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - G85-24 (SPD)

      Always

      Below 1 Ω

      G16-6 (+S) or G85-24 (SPD) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE WINDSHIELD WIPER RELAY ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  13. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT LEVELING ECU)

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Entry and Start System

    • *6: except Manual Transaxle

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the A67 headlight leveling ECU assembly connector.

    3. Disconnect the G48 radio receiver assembly connector.*1

    4. Disconnect the G139 navigation ECU sub-assembly connector.*2

    5. Disconnect the G143 radio and display receiver assembly connector.*3

    6. Disconnect the G85 windshield wiper relay assembly connector.*4

    7. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*5

    8. Disconnect the B79 TCM connector.*6

    9. Disconnect the A61*7 or A62*8 ECM connector.

    10. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - A67-16 (SPDR)

      Always

      Below 1 Ω

      G16-6 (+S) or A67-16 (SPDR) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  14. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Automatic Headlight Beam Level Control System

    • *6: except Manual Transaxle

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G84 certification ECU (smart key ECU assembly) connector.

    3. Disconnect the G48 radio receiver assembly connector.*1

    4. Disconnect the G139 navigation ECU sub-assembly connector.*2

    5. Disconnect the G143 radio and display receiver assembly connector.*3

    6. Disconnect the G85 windshield wiper relay assembly connector.*4

    7. Disconnect the A67 headlight leveling ECU assembly connector.*5

    8. Disconnect the B79 TCM connector.*6

    9. Disconnect the A61*7 or A62*8 ECM connector.

    10. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - A67-16 (SPDR)

      Always

      Below 1 Ω

      G16-6 (+S) or A67-16 (SPDR) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  15. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])

    • *1: for Radio Receiver Type

    • *2: for Navigation Receiver Type

    • *3: for Radio and Display Type

    • *4: w/ Rain Sensor

    • *5: w/ Automatic Headlight Beam Level Control System

    • *6: w/ Entry and Start System

    • *7: Engine Type Diesel

    • *8: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the B79 TCM connector.

    3. Disconnect the G48 radio receiver assembly connector.*1

    4. Disconnect the G139 navigation ECU sub-assembly connector.*2

    5. Disconnect the G143 radio and display receiver assembly connector.*3

    6. Disconnect the G85 windshield wiper relay assembly connector.*4

    7. Disconnect the A67 headlight leveling ECU assembly connector.*5

    8. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*6

    9. Disconnect the A61*7 or A62*8 ECM connector.

    10. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - B79-3 (SPD)

      Always

      Below 1 Ω

      G16-6 (+S) or B79-3 (SPD) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK (U660F)

    OK (U760E)

    OK (U760F)

    OK (K111)

    OK (K111F)

    NG
    OK (U660F)

    REPLACE TCM

    Click here

    OK (U760E)

    REPLACE TCM

    Click here

    OK (U760F)

    REPLACE TCM

    Click here

    OK (K111)

    REPLACE TCM

    Click here

    OK (K111F)

    REPLACE TCM

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  16. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])

    • *1: Engine Type Diesel

    • *2: Engine Type Gasoline

    • *3: for Radio Receiver Type

    • *4: for Navigation Receiver Type

    • *5: for Radio and Display Type

    • *6: w/ Rain Sensor

    • *7: w/ Automatic Headlight Beam Level Control System

    • *8: w/ Entry and Start System

    • *9: except Manual Transaxle

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the A61*1 or A62*2 ECM connector.

    3. Disconnect the G48 radio receiver assembly connector.*3

    4. Disconnect the G139 navigation ECU sub-assembly connector.*4

    5. Disconnect the G143 radio and display receiver assembly connector.*5

    6. Disconnect the G85 windshield wiper relay assembly connector.*6

    7. Disconnect the A67 headlight leveling ECU assembly connector.*7

    8. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*8

    9. Disconnect the B79 TCM connector.*9

    10. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Table 4. Engine Type Diesel

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - A61-14 (SPD)

      Always

      Below 1 Ω

      G16-6 (+S) or A61-14 (SPD) - Body ground

      Always

      10 kΩ or higher
      Table 5. 2AR-FE

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - A62-57 (SPD)

      Always

      Below 1 Ω

      G16-6 (+S) or A62-57 (SPD) - Body ground

      Always

      10 kΩ or higher
      Table 6. 3ZR-FE, 3ZR-FAE

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - A62-44 (SPD)

      Always

      Below 1 Ω

      G16-6 (+S) or A62-44 (SPD) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK (1AD-FTV)

    OK (2AD-FHV)

    OK (2AD-FTV)

    OK (2AR-FE)

    OK (3ZR-FAE)

    OK (3ZR-FE)

    NG
    OK (1AD-FTV)

    REPLACE ECM

    Click here

    OK (2AD-FHV)

    REPLACE ECM

    Click here

    OK (2AD-FTV)

    REPLACE ECM

    Click here

    OK (2AR-FE)

    REPLACE ECM

    Click here

    OK (3ZR-FAE)

    REPLACE ECM

    Click here

    OK (3ZR-FE)

    REPLACE ECM

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  17. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - BRAKE ACTUATOR ASSEMBLY [SKID CONTROL ECU])

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the A63*1 or A64*2 brake actuator assembly (skid control ECU) connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Table 7. w/o VSC

      Tester Connection

      Condition

      Specified Condition

      G16-5 (SI) - A63-22 (SP1)

      Always

      Below 1 Ω

      G16-5 (SI) or A63-22 (SP1) - Body ground

      Always

      10 kΩ or higher
      Table 8. w/ VSC

      Tester Connection

      Condition

      Specified Condition

      G16-5 (SI) - A64-11 (SP1)

      Always

      Below 1 Ω

      G16-5 (SI) or A64-11 (SP1) - Body ground

      Always

      10 kΩ or higher

      Result

      Proceed to

      OK

      NG
    OK

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  18. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

    E179098C03

    *a

    Front view of wire harness connector

    (to Combination Meter Assembly)

    • *1: w/ Rain Sensor

    • *2: w/ Automatic Headlight Beam Level Control System

    • *3: w/ Entry and Start System

    • *4: except Manual Transaxle

    • *5: Engine Type Diesel

    • *6: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G85 windshield wiper relay assembly connector.*1

    3. Disconnect the A67 headlight leveling ECU assembly connector.*2

    4. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*3

    5. Disconnect the B79 TCM connector.*4

    6. Disconnect the A61*5 or A62*6 ECM connector.

    7. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G16-6 (+S) - Body ground

      Ignition switch ON

      4.5 to 14 V

    Result

    Proceed to

    OK

    NG
    OK

    CHECK WINDSHIELD WIPER RELAY ASSEMBLYClick here

    NG

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)Click here

  19. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NAVIGATION ECU SUB-ASSEMBLY)

    • *1: w/ Rain Sensor

    • *2: w/ Automatic Headlight Beam Level Control System

    • *3: w/ Entry and Start System

    • *4: except Manual Transaxle

    • *5: Engine Type Diesel

    • *6: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G139 navigation receiver assembly connector.

    3. Disconnect the G85 windshield wiper relay assembly connector.*1

    4. Disconnect the A67 headlight leveling ECU assembly connector.*2

    5. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*3

    6. Disconnect the B79 TCM connector.*4

    7. Disconnect the A61*5 or A62*6 ECM connector.

    8. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - G139-17 (SP1)

      Always

      Below 1 Ω

      G16-6 (+S) or G4139-17 (SP1) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE NAVIGATION ECU SUB-ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  20. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)

    • *1: w/ Rain Sensor

    • *2: w/ Automatic Headlight Beam Level Control System

    • *3: w/ Entry and Start System

    • *4: except Manual Transaxle

    • *5: Engine Type Diesel

    • *6: Engine Type Gasoline

    1. Disconnect the G16 combination meter assembly connector.

    2. Disconnect the G143 radio and display receiver assembly connector.

    3. Disconnect the G85 windshield wiper relay assembly connector.*1

    4. Disconnect the A67 headlight leveling ECU assembly connector.*2

    5. Disconnect the G84 certification ECU (smart key ECU assembly) connector.*3

    6. Disconnect the B79 TCM connector.*4

    7. Disconnect the A61*5 or A62*6 ECM connector.

    8. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-6 (+S) - G143-17 (SP1)

      Always

      Below 1 Ω

      G16-6 (+S) or G4143-17 (SP1) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR