Repair and Diagnosis: Electrical: Gauges: Clock: Troubleshooting

Fig 1: Identifying Clock Circuit & Terminal Identification

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+/- 1.5 seconds / day (AT DC 13 V, 20°C) 

1. CLOCK WILL NOT OPERATE 
   1. Check that the battery positive voltage is 10 - 16 V. If voltage is not as specified, replace the battery.
   2. Check that the DOME fuse is not blown. If the fuse is blown, replace the fuse and check for short circuit.
   3. Troubleshoot the clock as follows.
      NOTE: Inspect the connector on the wire harness side.
      Fig 2: Identifying Clock Terminals

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      Fig 3: Clock Will Not Operate Flowchart

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2. CLOCK LOSES OR GAINS TIME 
   1. Check that the battery positive voltage is 10 - 16 V. If voltage is not as specified, replace the battery.
   Fig 4: Identifying Terminals For Testing Battery Voltage
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   2. Inspect the error of the clock. Allowable error (per day): +/- 1.5 seconds (AT DC 13 V, 20 °C) +/- 4 seconds (AT DC 10 to 16 V, -20 to 80 °C)

      If the error exceeds the allowable error, replace the clock.

   3. Check that the clock adjusting button is caught in position, and does not return. If the button is not returned, repair or replace the clock.
   4. Troubleshoot the clock as follows.
      NOTE: Inspect the connector on the wire harness side.
      Fig 5: Clock Loses Or Gains Time Flowchart

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