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Check Power Supply And Ground Circuit

DIAGNOSTIC PROCEDURE CHART

Step Check Yes No
1 CHECK POWER SUPPLY FOR COMBINATION METER. 
  1. Remove the combination meter. <Ref. to REMOVAL , Combination Meter. >
  2. Disconnect the combination meter harness connector.
  3. Turn the ignition switch to ON.
  4. Measure the voltage between combination meter connector and chassis ground.

    Connector A terminal 

    (i10) No. 9 (+) - Chassis ground (-): 

 Is the voltage more than 10 V? Go to step 2.  Check the harness for open or short between the ignition switch and combination meter.
2 CHECK POWER SUPPLY FOR COMBINATION METER. 
Measure the voltage between combination meter connector and chassis ground.

Connector & terminal 

(i10) No. 8 (+) - Chassis ground (-): 

 Is the voltage more than 10 V? Go to step 3.  Check the harness for open or short between the fuse and combination meter.
3 CHECK GROUND CIRCUIT OF COMBINATION METER. 
  1. Turn the ignition switch to OFF.
  2. Measure the resistance of harness between combination meter connector and chassis ground.

    Connector & terminal 

    (i10) No. 10 - Chassis ground: 

 Is the resistance less than 10 Ω? Replace the combination meter printed circuit. Repair the wiring harness.
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