On-Vehicle Inspection

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

      Reference: km/h (Canada) 

      Fig 1: Speedometer Inspection Reference Chart

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Reference: MPH (U.S.) 

      Fig 2: Speedometer Inspection Reference Chart

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Tire wear and over or under tire pressure will affect the indication error.
   2. Check the deflection width of the speed meter indicator.

      Reference: Below 0.5 km/h (0.3 MPH) 

1. Check the input signal waveform.
   1. Remove the combination meter assy.
   2. Connect the oscilloscope to the terminals C10-10 and body ground.
   3. Start the engine.
   4. Check the signal waveform according to the condition (s) in the table below.

Fig 3: Checking Input Signal Waveform

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Waveform Condition Table

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 5: Checking Waveform Single Cycle Graph

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT: 

As the vehicle speed increases, the cycle of the signal wave form narrows.

1. Check operation
   1. Connect the tune-up test tachometer, and start the engine.
      NOTE:

      • Reversing the connection of the tachometer will damage the transistors and the insides of the diodes.
      • When removing or installing the tachometer, be careful not to drop or subject it to heavy shocks.
   2. Compare the result of the test with the standard indication.

   DC 13.5 V, 25°C (77°F) 

Fig 6: Tachometer Inspection Reference Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the connector from the sender gauge.
2. Turn the ignition switch to ON, then check the position of the receiver gauge needle.

   Needle position: EMPTY 

3. Connect the terminal 2 and 3 on the wire harness side connector of fuel sender gauge.
4. Turn the ignition switch to ON, then check the position of the receiver gauge needle.

   Needle position: FULL 

Fig 7: Inspecting Fuel Sender Gauge

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the connector from the sender gauge.
2. Turn the ignition switch to ON, check the fuel level needle indicates EMPTY and fuel level warning light comes on.

1. Disconnect the connector from the fuel sender gauge.
2. Turn the ignition switch to ON, check the position of the water temperature receiver gauge needle.

   Needle position: COOL 

3. Ground the terminal 2 on the wire harness side, then check the position of the water temperature receiver gauge needle.

   Needle position: HOT 

1. Disconnect the connector from the low oil pressure switch.
2. Turn the ignition switch to ON.
3. Ground the terminal of the wire harness side connector, then check the low oil pressure warning light.

   Low oil pressure warning light: Come on 

1. Inspect the parking brake warning light.
   1. Disconnect the connector from the parking brake switch.
   2. Turn the ignition switch to ON.
   3. Ground the terminal of the wire harness side connector, then check the parking brake warning light.
2. Inspect the brake fluid level warning light.
   1. Disconnect the connector from the brake fluid level warning switch.
   2. Turn the ignition switch to ON.
   3. Connect a terminal to other terminal of wire harness side connector, then check the brake fluid level warning switch.

1. Remove the reservoir tank cap and strainer.
2. Disconnect the connector.
3. Measure the resistance between the terminals.

   Float up (switch off): 10 kΩ or higher 

4. Use a syphon, etc., to take fluid out of the reservoir tank.
5. Measure the resistance between the terminals.

   Float down (switch on): Below 1 Ω 

6. Pour the fluid back in the reservoir tank.
7. Reconnect the connector.

1. Disconnect the connector from the washer level warning switch.
2. Turn the ignition switch ON.
3. Ground terminal of the wire harness side connector, then check the washer level warning light.

Indicator Condition: 

Fig 8: Liquid Resetting Condition Chart

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Set the display window to ODO
2. Turn the ignition switch off.
3. Pressing the reset switch, turn the ignition switch on (Keep pressing for at least 5 seconds).
4. The reset procedure is completed.

   HINT: 

   • If the ignition switch is turned off during the reset procedure.

     LCD: off

     IND: off

   • If the ignition switch is turned off during the reset procedure.

     LCD: return to ODO

     IND: Keep the previous state of reset