Inspection Procedure

Inspect Fuse (ECU-B, DOME, IG1)
1. Check that continuity exists of ECU-B fuse.
2. Check that continuity exists of DOME fuse.
3. Check that continuity exists of HTR fuse.
1. OK: Go To Step 2 , (Check Combination Meter Assy (Power Source Circuit).
2. NG: Replace Fuse
Check Combination Meter Assy (Power Source Circuit)
1. Check voltage.
  1. Disconnect the "C11" connector from combination meter.
  2. Measure voltage between terminals C11-2, C11-12 of combination meter connector and body ground.
    Voltage: 10-14 V
  3. Turn ignition switch ON.
  4. Measure voltage between terminals C11-1, C11-13 of combination meter connector and body ground.
    
    Fig 1: Identifying Combination Meter Terminals (1 Of 2)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    Voltage: 10-14 V
1. OK: Go To Step 3 , (Check Combination Meter Assy (Ground Circuit).
2. NG: Repair Or Replace Harness Or Connector
Check Combination Meter Assy (Ground Circuit)
1. Check continuity.
  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: Identifying Combination Meter Terminals (2 Of 2)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    OK: Continuity exists
1. OK: Check And Replace Combination Meter Assy
2. NG: Repair Or Replace Harness Or Connector