Inspection Procedure

INSPECT FUSE (ECU-B, DOME, IG1)
1. Check that continuity exists of ECU-B, DOME and HTR fuse.
1. NG: REPLACE FUSE
2. OK: GO TO NEXT STEP
CHECK COMBINATION METER ASSEMBLY (POWER SOURCE CIRCUIT)
1. Disconnect the C11 connector from combination meter.
2. Measure voltage between terminals C11-2, C11-12 of combination meter connector and body ground.
  
  Fig 1: Disconnecting C11 Connector From Combination Meter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard: 10 - 14 V
3. Turn ignition switch ON.
4. Measure voltage between terminals C11-1, C11-13 of combination meter connector and body ground.
  Standard: 10 - 14 V
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: GO TO NEXT STEP
CHECK COMBINATION METER ASSEMBLY (GROUND CIRCUIT)
1. Disconnect the C11 connector from combination meter
2. Check continuity between terminals C11-11, C11-22 of combination meter connector and body ground.
  
  Fig 2: Disconnecting C11 Connector From Combination Meter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard: Continuity exists
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: CHECK AND REPLACE COMBINATION METER ASSEMBLY