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Combination Meter: Inspection

  1. INSPECT SPEEDOMETER ON-VEHICLE 

    Using a speedometer tester, check the speedometer for indication error and check operation of the odometer.

    HINT:

    Tire wear and tire over or under inflation will increase the indication error.

    ALLOWABLE SPEEDOMETER ERROR (USA)

    Standard Indication (MPH) Allowable Range (MPH)
    20 18 - 24
    40 38 - 44
    60 58 - 66
    80 78 - 88
    100 98 - 110
    ALLOWABLE SPEEDOMETER ERROR (CANADA)

    Standard Indication (km/h) Allowable Range (km/h)
    20 17 - 24
    40 38 - 46
    60 57.5 - 67
    80 77 - 88
    100 96 - 109
    120 115 - 130
    140 134 - 151.5
    160 153 - 173

    If the error is excessive, replace the speedometer.

  2. 5VZ-FE (M/T only): INSPECT VEHICLE SPEED SENSOR OPERATION 
    1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2.
    2. Connect the positive (+) lead from the tester to terminal 3 and the negative (-) lead to terminal 2.
    3. Rotate the shaft.
    4. Check that the voltage between terminals 2 and 3 changes from approximately 0 V to 11 V or more.

      HINT:

      The voltage change should be checked 4 times during each revolution of the speed sensor shaft.

      If the result is not as specified, replace the sensor.

      Fig 1: Inspecting Vehicle Speed Sensor Operation
      G02931868Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT SPEEDOMETER RESISTANCE 

    Measure the resistance between the terminals with the pointer fixed to the stopper.

    SPEEDOMETER RESISTANCE

    Tester Connection Resistance (Ω)
    A - B Approx. 160
    C - D Approx. 160

    If the resistance value is not as specified, replace the meter.

    Fig 2: Locating Speedometer Terminals (W/Tachometer)
    G02931869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Locating Speedometer Terminals (W/O Tachometer)
    G02931870Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT TACHOMETER ON-VEHICLE 
    1. Connect a tune-up test tachometer, and start the engine.
      NOTE:
      • Reversing the connection of the tachometer will damage the transistors and diodes inside the tachometer.
      • When removing or installing the tachometer, be careful not to drop or subject it to heavy shocks.
    2. Compare the tester and tachometer indications.

      DC 13.5 V at 20°C (77°F)

      ALLOWABLE TACHOMETER ERROR

      Standard Indication Allowable Range
      700 630 - 770
      1,000 900 - 1,100
      2,000 1,875 - 2,125
      3,000 2,850 - 3,150
      4,000 3,850 - 4,150
      5,000 4,850 - 5,150
      6,000 5,820 - 6,180

      If the error is excessive, replace the tachometer.

  5. INSPECT TACHOMETER RESISTANCE 

    Measure the resistance between the terminals with the pointer fixed to the stopper.

    TACHOMETER RESISTANCE

    Tester Connection Resistance (°)
    A - B 140 - 185
    C - D 130 - 175

    If the resistance value is not as specified, replace the meter.

    Fig 4: Locating Tachometer Terminals
    G02931871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSPECT VOLT RECEIVER GAUGE SYSTEM 

    Measure the resistance between terminals A and B.

    Resistance: Approximately 347 Ω 

    If the resistance value is not as specified, replace the gauge.

    Fig 5: Locating Volt Receiver Gauge System Connector Terminals
    G02931872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSPECT FUEL RECEIVER GAUGE OPERATION 
    1. Disconnect the connector from the sender gauge.
    2. Turn the ignition switch ON, and check that the receiver gauge needle indicates EMPTY.
      Fig 6: Identifying Fuel Receiver Gauge Circuit
      G02931873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect terminals 2 and 3 of the wire harness side connector through a 3.4 W test bulb.
    4. Turn the ignition switch ON, and check that the bulb lights up and the receiver gauge needle moves towards the full side.

      HINT:

      Because of the silicon oil in the gauge, it will take a short time for needle to stabilize.

      If the operation is not as specified, inspect the receiver gauge resistance.

      Fig 7: Testing Fuel Receiver Gauge
      G02931874Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSPECT FUEL RECEIVER GAUGE RESISTANCE 

    Measure the resistance between terminals.

    FUEL RECEIVER GAUGE RESISTANCE

    Tester Connection Resistance (Ω)
    A - B Approx. 83
    A - C Approx. 268
    B - C Approx. 160

    If the resistance value is not as specified, replace the receiver gauge.

    Fig 8: Locating Fuel Receiver Gauge Terminals (W/Tachometer)
    G02931875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 9: Locating Fuel Receiver Gauge Terminals (W/O Tachometer)
    G02931876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSPECT FUEL SENDER GAUGE RESISTANCE 

    Measure the resistance between terminals 2 and 3 at each float position.

    FLOAT POSITION RESISTANCE

    Float Position mm (in.) Resistance (Ω)
    F: Approx. 32.6 (1.283) +/- 2 (0.12) Approx. 3.0
    1/2: Approx. 81.7(3.216) Approx. 32.5
    E: Approx. 188.9 (7.440) +/- 2 (0.12) Approx. 110

    If the resistance value is not as specified, replace the main sender gauge.

    Fig 10: Testing Fuel Sender
    G02931877Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSPECT FUEL LEVEL WARNING LIGHT 
    1. Disconnect the connector from the sender gauge.
    2. Connect terminals 1 and 3 of the wire harness side connector.
    3. Turn the ignition switch ON, and check that the warning light lights up.

      If the warning light does not light up, inspect the bulb or wire harness.

      Fig 11: Identifying Fuel Level Warning Light Circuit
      G02931878Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSPECT FUEL LEVEL WARNING SWITCH 
    1. Apply battery voltage between terminals 1 and 3 through a 3.4 W test bulb, and check that the bulb lights up.

      HINT:

      It will take a short time for the bulb to light up.

      Fig 12: Testing Fuel Level Warning Switch
      G02931879Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Submerge the switch in fuel, and check that the bulb turns off.

      If operation is not as specified, replace the sender gauge.

      Fig 13: Testing Fuel Level Warning Switch (Submerged)
      G02931880Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. INSPECT ENGINE COOLANT TEMPERATURE RECEIVER GAUGE OPERATION 
    1. Disconnect the connector from the sender gauge.
    2. Turn the ignition switch ON, and check that the receiver gauge needle indicates cool side.
      Fig 14: Identifying Engine Coolant Temperature Gauge Circuit
      G02931881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Ground the terminal of the wire harness side connector through a 3.4 W test bulb.
    4. Turn the ignition switch ON, check that the bulb lights up and the receiver gauge needle moves to the hot side.

      If the operation is not as specified, measure the receiver gauge resistance.

      Fig 15: Testing Engine Coolant Temperature Gauge
      G02931882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSPECT ENGINE COOLANT TEMPERATURE RECEIVER GAUGE RESISTANCE 

    Measure the resistance between terminals.

    w/ Tachometer:

    ENGINE COOLANT TEMPERATURE RECEIVER GAUGE RESISTANCE (W/TACHOMETER)

    Tester Connection Resistance (Ω)
    A - B Approx. 55.9
    A - C Approx. 136
    B - C Approx. 211
    Fig 16: Locating Engine Coolant Temperature Receiver Gauge Terminals (W/Tachometer)
    G02931883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    w/o Tachometer:

    ENGINE COOLANT TEMPERATURE RECEIVER GAUGE RESISTANCE (W/O TACHOMETER)

    Tester Connection Resistance (Ω)
    A - B Approx. 54.5
    A - C Approx. 139
    B - C Approx. 214

    HINT:

    This circuit includes the diode.

    If the resistance value is not as specified, replace the receiver gauge.

    Fig 17: Locating Engine Coolant Temperature Receiver Gauge Terminals (W/O Tachometer)
    G02931884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. INSPECT ENGINE COOLANT TEMPERATURE SENDER GAUGE RESISTANCE 

    Connect the wire harness as shown in the illustration, and adjust the ammeter pointer to indicate "0" using the slide rheostat, then read the rheostat indication.

    ENGINE COOLANT TEMPERATURE SENDER RESISTANCE

    Temperature °C (°F) Resistance (Ω)
    50 (122.0) 160 - 240
    120 (248.0) 17.1 - 21.2

    If the resistance value is not as specified, replace the sender gauge.

    Fig 18: Inspecting Engine Coolant Temperature Sender Resistance
    G02931885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. INSPECT OIL PRESSURE RECEIVER GAUGE RESISTANCE 

    Measure the resistance between terminals A and B.

    OIL PRESSURE RECEIVER GAUGE RESISTANCE

    Tester Connection Resistance (Q)
    A - B Approx. 25.0

    If the resistance value is not as specified, replace the receiver gauge.

    Fig 19: Locating Oil Pressure Receiver Gauge Terminals
    G02931886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. 5VZ-FE (Standard cab): INSPECT OIL PRESSURE SWITCH CONTINUITY 
    1. Disconnect the connector from the switch.
    2. Check that continuity exists between the terminal and ground with the engine stopped.
    3. Check that no continuity exists between the terminal and ground with the engine running.

      HINT:

      The oil pressure should be over 24.5 kPa (0.25 kgf/cm2 , 3.55 psi).

      If the continuity is not as specified, replace the switch.

      Fig 20: Inspecting Oil Pressure Switch Continuity (5VZ-FE (Standard Cab))
      G02931887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. 5VZ-FE (Access cab) and 2UZ-FE: INSPECT OIL PRESSURE SENDER GAUGE CONTINUITY 
    1. Disconnect the connector from the sender gauge.
    2. Check that no continuity exists between the terminal and ground with the engine stopped.
    3. Check that continuity exists between the terminal and ground with the engine running.

      HINT:

      The oil pressure should be over 29.0 kPa (0.3 kgf/cm2 , 4.2 psi).

      If the continuity is not as specified, replace the seder gauge.

      Fig 21: Inspecting Oil Pressure Sender Gauge Continuity (5VZ-FE (Access Cab) And 2UZ-FE)
      G02931888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. INSPECT BRAKE WARNING LIGHT 
    1. Disconnect the connector from the brake fluid warning switch.
    2. Release the parking brake pedal.
    3. Connect the terminals on the harness side of the level warning switch connector.
    4. Start the engine, and check that the warning light lights up.

      If the warning light does not light up, inspect the bulb or wire harness.

      Fig 22: Checking Brake Warning Light Circuit
      G02931889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. INSPECT BRAKE FLUID LEVEL WARNING SWITCH CONTINUITY 
    1. Remove the reservoir tank cap and strainer.
    2. Disconnect the connector.
    3. Check that no continuity exists between the terminals with the switch OFF (float).
    4. Use siphon to take fluid out of the reservoir tank.
    5. Check that continuity exists between the terminals with the switch ON (sink).
      Fig 23: Inspecting Brake Fluid Level Warning Switch Continuity
      G02931890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the continuity is not as specified, replace the switch.

    6. Pour the fluid back in the reservoir tank.
  20. Double cab: INSPECT PARKING BRAKE SWITCH CONTINUITY 
    1. Check that there is continuity between the terminal and switch body with the switch ON (switch pin released).
    2. Check that there is no continuity between the terminals with the switch OFF (switch pin pushed in).

      If the continuity is not as specified, replace the switch.

      Fig 24: Inspecting Parking Brake Switch Continuity - Double Cab
      G02931891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. Except double cab (A/T): INSPECT PARKING BRAKE SWITCH CONTINUITY 
    1. Check that there is continuity between the terminal and switch body with the switch ON (switch pin released).
    2. Check that there is no continuity between the terminals with the switch OFF (switch pin pushed in).

      If the continuity is not as specified, replace the switch.

      Fig 25: Inspecting Parking Brake Switch Continuity - Except Double Cab (A/T)
      G02931892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. Except double cab (M/T): INSPECT PARKING BRAKE SWITCH CONTINUITY 
    1. Check that there is continuity between the terminals with the switch ON (switch pin released).
    2. Check that there is no continuity between the terminals with the switch OFF (switch pin pushed in).

      If the continuity is not as specified, replace the switch.

      Fig 26: Inspecting Parking Brake Switch Continuity - Except Double Cab (M/T)
      G02931893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. INSPECT WASHER LEVEL WARNING LIGHT 
    1. Disconnect the connectors from the level warning switch.
    2. Connect the terminals of the wire harness side of the level warning switch connector.
    3. Turn the ignition switch ON, and check that the warning light turns on.

      If the warning light does not turn on, inspect the bulb.

      Fig 27: Inspecting Washer Level Warning Light
      G02931894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. INSPECT WASHER LEVEL SWITCH CONTINUITY 
    1. Check that there is no continuity between the terminals with the switch OFF (float).
    2. Check that there is continuity between the terminals with the switch ON (sink).

      If the continuity is not as specified, replace the switch.

      Fig 28: Inspecting Washer Level Switch Continuity
      G02931895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. INSPECT DRIVER'S SEAT BELT WARNING LIGHT 
    1. Disconnect connector B from the combination meter.
    2. Connect the negative (-) lead from the battery to terminal 9.
    3. Turn the ignition switch ON and check that the warning light lights up.

      If the warning light does not light up, inspect the bulb or wire harness.

      Fig 29: Inspecting Driver's Seat Belt Warning Light
      G02931896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. w/ Power seat (Driver side): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 of the switch connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 1 and 2 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 30: Inspecting Buckle Switch Continuity - W/Power Seat (Driver Side)
      G02931897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. Double cab (w/o Power Seat (Driver side)): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 5 and 6 on the switch side connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 5 and 6 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 31: Inspecting Buckle Switch Continuity - Double Cab (W/O Power Seat (Driver Side))
      G02931898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. Except double cab (Separate seat, captain seat (w/o Power seat) (Driver side)): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 3 and 4 of the switch connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 3 and 4 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 32: Inspecting Buckle Switch Continuity - Except Double Cab (Separate Seat, Captain Seat (W/O Power Seat) (Driver Side))
      G02931899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. Except double cab (Bench seat (Driver side)): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 on the switch connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 1 and 2 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 33: Inspecting Buckle Switch Continuity - Except Double Cab (Bench Seat (Driver Side)
      G02931900Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. Double cab (Passenger side): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 on the switch connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 1 and 2 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 34: Inspecting Buckle Switch Continuity - Double Cab (Passenger Side)
      G02931901Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. Except double cab (Separate seat, captain seat (w/o Power seat) (Passenger side)): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 on the switch connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 1 and 2 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 35: Inspecting Buckle Switch Continuity - Except Double Cab (Separate Seat, Captain Seat (W/O Power Seat) (Passenger Side))
      G02931902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. Except double cab (Bench seat (Passenger side)): INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 on the switch connector with the switch ON (belt fastened).
    2. Check that no continuity exists between terminals 1 and 2 on the switch side connector with the switch OFF (belt unfastened).

      If the continuity is not as specified, replace the inner seat belt.

      Fig 36: Inspecting Buckle Switch Continuity - Except Double Cab (Bench Seat (Passenger Side))
      G02931903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. INSPECT LIGHT CONTROL RHEOSTAT OPERATION 
    1. Connect terminals 1 and 3 through a 3.4 W test bulb.
    2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2.
    3. Turn the rheostat knob fully counterclockwise, and check that the test bulb turns off.
    4. Gradually turn the rheostat knob clockwise, and check that the test bulb brightness changes from dark to bright.

      If operation is not as specified, replace the rheostat.

      Fig 37: Inspecting Light Control Rheostat Operation
      G02931904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. INSPECT OPEN DOOR WARNING LIGHT 
    1. Disconnect the connector from the door courtesy switch and ground terminal on the wire harness side.
    2. Turn the ignition switch ON, and check that the warning light lights up.

      If the warning light does not light up, inspect the bulb.

      Fig 38: Inspecting Open Door Warning Light
      G02931905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. Double cab (Passenger's seat only): INSPECT SEAT BELT WARNING OCCUPANT DETECTION SENSOR CONTINUITY 

    Check that continuity exists between terminals 1 and 2 when pressing the sensing part.

    If the continuity is not as specified, replace the sensor.

    Fig 39: Inspecting Seat Belt Warning Occupant Detection Sensor Continuity - Double Cab
    G02931906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. Except double cab (Passenger's seat only): INSPECT SEAT BELT WARNING OCCUPANT DETECTION SENSOR CONTINUITY 

    Check that continuity exists between terminals 1 and 2 when pressing the sensing part.

    If the continuity is not as specified, replace the sensor.

    Fig 40: Inspecting Seat Belt Warning Occupant Detection Sensor Continuity - Except Double Cab
    G02931907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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