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Combination Meter: Inspection

  1. INSPECT SPEEDOMETER ON-VEHICLE 

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

    NOTE:

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

    COMBINATION METER REFERENCE

    USA (mph) CANADA (km/h)
    Standard indication Allowable range Standard indication Allowable range
    20 19 - 222 20 18 - 23
    40 39 - 42.5 40 40 - 44
    60 59.5 - 63.5 60 60 - 64.5
    80 79.5 - 84 80 80 80 - 85
    100 100 - 105 100 100 - 105
    - - 120 120 - 125.5
    - - 140 140 - 146
    - - 160 160 - 167

    If the error is excessive, replace the speedometer.

  2. INSPECT VEHICLE SPEED SENSOR OPERATION 
    1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2.
      Fig 1: Inspecting Vehicle Speed Sensor Operation
      G02901734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the positive (+) lead from the tester to terminal 3 and the negative (-) lead to terminal 2.
    3. Rotate the shaft.
      4. NOTE:

      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.

    4. Check that the voltage between terminals 2 and 3 changes from approx. 0 V to 11 V or more.
  3. INSPECT SPEEDOMETER RESISTANCE 
    Fig 2: Inspecting Speedometer Resistance (W/ Tachometer)
    G02901735Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Inspecting Speedometer Resistance (W/O Tachometer)
    G02901736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    SPEEDOMETER RESISTANCE INSPECTION

    Tester connection Resistance (Ω)
    A - B 160
    C - D 160

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

  4. INSPECT TACHOMETER/ON-VEHICLE 
      CAUTION:
      • 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.
    1. Connect a tune-up test tachometer, and start the engine.
    2. Compare the tester and tachometer indications.
      1. DC 13.5 V 20°C at (77 °F) 
      TACHOMETER/ON-VEHICLE INSPECTION - DC 13.5 V 20°C AT (77 °F)

      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
      6,0005 820 - 6,180
  5. INSPECT TACHOMETER RESISTANCE 

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

    Fig 4: Inspecting Tachometer Resistance
    G02901737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TACHOMETER RESISTANCE

    Tester connection Resistance (Ω)
    A - B 140 - 185
    C - D 130 - 175

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

  6. INSPECT VOLT GAUGE SYSTEM 

    Measure the resistance between terminals A and B.

    Fig 5: Locating Terminals A And B
    G02901738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Resistance: Approx. 347 Ω 

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

  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: Inspecting Fuel Receiver Gauge Operation (1 Of 2)
      G02901739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect terminals 1 and 3 on the wire harness side connector through a 3.4 W test bulb.
      Fig 7: Inspecting Fuel Receiver Gauge Operation (2 Of 2)
      G02901740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. NOTE:

      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.

    4. Turn the ignition switch ON, and check that the bulb lights up and the receiver gauge needle moves towards the full side.
  8. INSPECT FUEL RECEIVER GAUGE RESISTANCE 
    Fig 8: Inspecting Fuel Receiver Gauge Resistance (W/ Tachometer)
    G02901741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 9: Inspecting Fuel Receiver Gauge Resistance (W/O Tachometer)
    G02901742Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    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.

  9. INSPECT FUEL SENDER GAUGE RESISTANCE 

    Measure the resistance between terminals 1 and 2 at each float position.

    Fig 10: Inspecting Fuel Sender Gauge Resistance
    G02901743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    FUEL SENDER GAUGE RESISTANCE

    Float position mm (in.) Resistance (Ω)
    F: Approx. -43.5 (-1.71) +/- 2 (0.12) Approx. 3.0
    1/2: Approx. 70.8 (2.79) Approx. 32.5
    E: Approx. -178 (-7.01) +/- 2 (0.12) Approx. 110

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

  10. INSPECT FUEL LEVEL WARNING LIGHT 
    1. Disconnect the connector from the sender gauge.
    2. Connect terminals 1 and 3 on the wire harness side connector.
      Fig 11: Inspecting Fuel Level Warning Light
      G02901744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  11. INSPECT FUEL LEVEL WARNING SWITCH 
      NOTE:

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

      Fig 12: Inspecting Fuel Level Warning Switch (1 Of 2)
      G02901745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Apply battery positive voltage between terminals 1 and 3 through a 3.4 W test bulb, and check that the bulb lights up.
    2. Submerge the switch in fuel, and check that the bulb goes off.
      Fig 13: Inspecting Fuel Level Warning Switch (2 Of 2)
      G02901746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  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.
      Fig 14: Inspecting Engine Coolant Temperature Receiver Gauge Operation (1 Of 2)
      G02901747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Ground the terminal on the wire harness side connector through a 3.4 W test bulb.
      Fig 15: Inspecting Engine Coolant Temperature Receiver Gauge Operation (2 Of 2)
      G02901748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  13. INSPECT ENGINE COOLANT TEMPERATURE RECEIVER GAUGE RESISTANCE 
    NOTE:

    This circuit includes the diode.

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

    Measure the resistance between terminals.

    Fig 16: Inspecting Engine Coolant Temperature Receiver Gauge Resistance (W/ Tachometer)
    G02901749Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 17: Inspecting Engine Coolant Temperature Receiver Gauge Resistance (W/O Tachometer)
    G02901750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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
  14. INSPECT ENGINE COOLANT TEMPERATURE SENDER GAUGE RESISTANCE 

    Connect the wire harness as shown in Fig 18, and adjust the ammeter pointer to indicate "0" using the slide rheostat, then read the rheostat indication.

    Fig 18: Inspecting Engine Coolant Temperature Sender Gauge Resistance
    G02901751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ENGINE COOLANT TEMPERATURE SENDER GAUGE 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 engine coolant sender gauge.

  15. INSPECT OIL PRESSURE GAUGE RESISTANCE 

    Measure the resistance between terminals A and B. See Fig 19.

    Fig 19: Inspecting Oil Pressure Gauge Resistance
    G02901752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    OIL PRESSURE GAUGE RESISTANCE

    Tester connection Resistance (Ω)
    A - B Approx. 25.0

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

  16. 5VZ-FE (Standard Cab): 
    1. 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.
      Fig 20: Inspecting Oil Pressure Switch Continuity
      G02901753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that no continuity exists between the terminal and ground with the engine running.
    NOTE:

    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.

  17. 5VZ-FE (Access Cab) and 2UZ-FE: 
    1. 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.
      Fig 21: Inspecting Oil Pressure Sender Gauge Continuity
      G02901754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that continuity exists between the terminal and ground with the engine running.
    NOTE:

    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 sender gauge.

  18. INSPECT BRAKE WARNING LIGHT 
    1. Disconnect the connector from the brake fluid warning switch.
      Fig 22: Inspecting Brake Warning Light
      G02901755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  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 up).
      Fig 23: Inspecting Brake Fluid Level Warning Switch Continuity
      G02901756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Use siphon, etc. to take fluid out of the reservoir tank.
    5. Check that continuity exists between the terminals with the switch ON (float down)

      If the continuity is not as specified, replace switch.

    6. Pour the fluid back in the reservoir tank.
  20. INSPECT PARKING BRAKE SWITCH CONTINUITY 
    1. Check that there is continuity between the terminals with the switch ON (switch pin released).
      Fig 24: Inspecting Parking Brake Switch Continuity
      G02901757Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  21. INSPECT WASHER LEVEL WARNING LIGHT 
    1. Disconnect the connectors from the level warning switch.
      Fig 25: Inspecting Washer Level Warning Light
      G02901758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the terminals on the wire harness side of the level warning switch connector.
    3. Turn the ignition switch ON, and check that the warning light comes on.

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

  22. INSPECT WASHER LEVEL SWITCH CONTINUITY 
    1. Check that there is no continuity between the terminals with the switch OFF (float up).
      Fig 26: Inspecting Washer Level Switch Continuity
      G02901759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that there is continuity between terminals with the switch ON (float down).

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

  23. INSPECT DRIVER'S SEAT BELT WARNING LIGHT 
    1. Disconnect the connector B from the combination meter.
    2. Connect the negative (-) lead from the battery to terminal 9.
      Fig 27: Inspecting Driver's Seat Belt Warning Light
      G02901760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  24. Bench Seat: 
    1. INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 on the switch connector with the switch ON (belt fastened).
      Fig 28: Inspecting Buckle Switch Continuity (Bench Seat)
      G02901761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  25. Separate Seat, Captain Seat (W/O Power Seat): 
    1. INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 3 and 4 on the switch connector with the switch ON (belt fastened).
      Fig 29: Inspecting Buckle Switch Continuity (Separate Seat, Captain Seat - W/O Power Seat)
      G02901762Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  26. W/ Power Seat: 
    1. INSPECT BUCKLE SWITCH CONTINUITY 
    1. Check that continuity exists between terminals 1 and 2 on the switch connector with the switch ON (belt fastened).
      Fig 30: Inspecting Buckle Switch Continuity (W/ Power Seat)
      G02901763Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  27. 5VZ-FE: 
    1. INSPECT "4WD" INDICATOR LIGHT 
    1. Disconnect the connectors from the A.D.D. actuator.
    2. "4WD" indicator:

      Ground terminal 3 on the wire harness side connector.

      Fig 31: Inspecting "4WD" Indicator Light (5VZ-FE)
      G02901764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  28. 5VZ-FE: 
    1. INSPECT "A/T P" INDICATOR LIGHT 
    1. Disconnect the connectors from the A.D.D. actuator.
    2. "A/T P" indicator:

      Ground terminal 1 on the wire harness side connector.

      Fig 32: Inspecting "A/T P" Indicator Light (5VZ-FE)
      G02901765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

  29. 2UZ-FE: 
    1. INSPECT "4LO/4HI" 4WD" INDICATOR LIGHT 
    1. Remove the center cluster finish panel.
    2. Disconnect the connector from the center cluster integration.
    3. "4LO" indicator:

      Ground terminal 3 on the wire harness side connector.

      Fig 33: Inspecting "4LO/4HI" 4WD" Indicator Light (2UZ-FE)
      G02901766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. "4HI" indicator:

    Ground terminal 2 on the wire harness side connector.

  30. INSPECT LIGHT CONTROL RHEOSTAT OPERATION 
    1. Connect terminals 1 and 3 through a 3.4 W test bulb.
      Fig 34: Inspecting Light Control Rheostat Operation
      G02901767Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 goes off.
    4. Gradually turn the rheostat knob clockwise, and check that the test bulb brightness changes from dark to bright.

    If the operation is not as specified, replace the rheostat.

  31. INSPECT OPEN DOOR WARNING LIGHT 
    1. Disconnect the connector from the door courtesy switch and ground terminal on the wire harness side.
      Fig 35: Inspecting Open Door Warning Light
      G02901768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

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