Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUSE
1. Check that continuity exists of DOME fuse.
2. Check that continuity exists of GAUGE fuse.
3. Check that continuity exists of AM1 fuse.
1. NG: REPLACE FUSE
2. OK: GO to Next step.
INSPECT COMBINATION METER ASSY
1. Check continuity.
  1. Disconnect the "C9" connector from combination meter assy.
  2. Check continuity between terminal C9-2 of combination meter assy connector and body ground.
    OK: Continuity exists
    
    Fig 1: Inspecting Combination Meter Assy
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check voltage.
  1. Disconnect the "C9" connector from combination meter assy.
  2. Measure voltage between terminal C9-5 of combination meter assy connector and body ground.
    Voltage: 10 - 14 V
  3. Turn the ignition switch to ON.
  4. Measure voltage between terminal C9-4 of combination meter assy connector and body ground.
    Voltage: 10 - 14 V
    
    Fig 2: Identifying Connector Terminal +B And IG1
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: CHECK AND REPLACE COMBINATION METER ASSY