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Check Illumination Circuit

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK BODY INTEGRATED UNIT OUTPUT DATA  .
Connect the Subaru Select Monitor, and check the illumination ON/OFF data at the data monitor of the integrated unit.		 Is it operating properly? Go to step 2  . Follow the diagnosis for the integrated unit. Refer to BASIC DIAGNOSTIC PROCEDURE .
2 CHECK COMBINATION METER BRIGHTNESS CHANGE  .
  1. Turn the ignition switch to ON.
  2. Turn the lighting switch to ON, and check for whether the combination meter brightness changes or not.
 Does the brightness of the combination meter change? Go to step 3  . Replace the meter case assembly.
3 CHECK CLOCK ILLUMINATION POWER SUPPLY  .
  1. Turn the ignition switch to OFF.
  2. Disconnect the clock harness connector.
  3. Turn the ignition switch and lighting switch to ON.
  4. Measure the voltage between the clock harness connector and chassis ground.

Connector & terminal 
(i59) No. 1 (+) - Chassis ground (-): 		 Is the voltage 10 V or more? Go to step 4  . Check the harness for an open circuit between the fuse and clock.
4 CHECK COMBINATION METER  .
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from the clock, and install a properly operating clock.
 Does the brightness change? Replace the clock body. Replace the meter case assembly.
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