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Home >> Chevrolet >> 2004 >> Epica LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Diagnostic Information and Procedures >> Clock Malfunction

Clock Malfunction

Step Action Values Yes No
1 Inspect fuse EF11 and F15.
Are either of the fuses EF11 or F15 open?		 - Go to Step 2  Go to Step 3 
2
  1. Inspect for a short circuit and repair it, if necessary.
  2. Replace the open fuses.
Is the repair complete?		 - System OK -
3
  1. Turn on the ignition, with the engine OFF.
  2. Use a voltmeter to Measure the battery voltage available at fuses EF11 and F15.
Is the voltage within the specified range?		 11-14 V Go to Step 5  Go to Step 4 
4 Repair the open power supply circuit for the fuse.
Is the repair complete?		 - System OK -
5
  1. Turn on the ignition, with the engine OFF.
  2. Use a voltmeter to Measure the battery voltage available at the clock connector terminal 4.
Is the voltage within the specified range?		 11-14 V Go to Step 7  Go to Step 6 
6 Repair the open circuit between the clock connector terminal 4 and fuse F15.
Is the repair complete?		 - System OK -
7 Turn on the ignition, with the engine OFF.
Is the battery voltage available at the clock connector terminal 3?		 - Go to Step 9  Go to Step 8 
8 Repair the open circuit between the clock connector terminal 3 and fuse EF11.
Is the repair complete?		 - System OK -
9 Check the continuity between the clock connector terminal 1 and ground.
Is the continuity near the specified value?		 0 Ω Go to Step 10  Go to Step 11 
10 Replace the clock. Refer to Clock Replacement .
Is the repair complete?		 - System OK -
11 Repair the open ground circuit between the clock connector terminal 1 and ground G202.
Is the repair complete?		 - System OK -
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