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Repair and Diagnosis: Electrical: Gauges: Clock: Troubleshooting

HINT:

Troubleshoot the clock according to TROUBLESHOOTING OF CLOCK  .

TROUBLESHOOTING OF CLOCK

Troubleshooting No.
Passenger seat belt warning light does not light up. 1
Clock will not operate 1
Clock loses or gains time 2
  1. +/- 1.5 seconds / day 
  1. INSPECT CLOCK CIRCUIT (See  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
  2. TROUBLESHOOTING NO. 1 
    TROUBLESHOOTING NO. 1

    PASSENGER SEAT BELT WARNING LIGHT DOES NOT OPERATE 
    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 MPX-B and RAD No. 2 fuses are not blown.

      If the fuse is blown, replace the fuse and check for short.

    3. Troubleshoot the clock as follows.

    HINT:

    Inspect the connector on the wire harness side.

    Fig 1: Inspecting Connector On Wire Harness Side
    G03494490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Connector On Wire Harness Side Flow Chart (Troubleshooting No. 1)
    G03494491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. TROUBLESHOOTING NO. 2 
    TROUBLESHOOTING NO. 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.

    2. Inspect the error of the clock.

      Allowable error (per day): +/-1.5 seconds 

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

    3. Check that the clock adjusting button is sticking in position and has failed to return.

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

    4. Troubleshoot the clock as follows.

    HINT:

    Inspect the connector on the wire harness side.

    Fig 3: Inspecting Connector On Wire Harness Side
    G03494492Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 4: Connector On Wire Harness Side Flow Chart (Troubleshooting No. 2)
    G03494493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002