Inspection Procedure

1. Disconnect the M6 panel connector.
   Fig 1: Identifying M6 Panel Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the N4 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   M6-19 (VR) - N4-1 (VR)	Below 1 Ω
   M6-23 (SYNC) - N4-8 (SYNC)	Below 1 Ω
   M6-20 (R) - N4-2 (R)	Below 1 Ω
   M6-21 (G) - N4-7 (G)	Below 1 Ω
   M6-22 (B) - N4-3 (B)	Below 1 Ω
   M6-24 (VG) - N4-6 (VG)	Below 1 Ω
   M6-19 (VR) - Body ground	10 kΩ or higher
   M6-23 (SYNC) - Body ground	10 kΩ or higher
   M6-20 (R) - Body ground	10 kΩ or higher
   M6-21 (G) - Body ground	10 kΩ or higher
   M6-22 (B) - Body ground	10 kΩ or higher
   M6-24 (VG) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to next step 

1. Remove the instrument cluster finish panel center.
   Fig 2: Identifying Instrument Cluster Finish Panel Center Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance of the panel.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   M6-19 (VR) - B-23 (VR)	Below 1 Ω
   M6-23 (SYNC) - B-27 (SYNC)	Below 1 Ω
   M6-20 (R) - B-24 (R)	Below 1 Ω
   M6-21 (G) - B-25 (G)	Below 1 Ω
   M6-22 (B) - B-26 (B)	Below 1 Ω
   M6-24 (VG) - B-28 (VG)	Below 1 Ω

NG: REPAIR OR REPLACE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY CENTER 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE