Inspection Procedure

1. Remove the DOME fuse from engine room relay block No. 2.
2. Remove the GAUGE fuse from the main body ECU.
   Fig 1: Identifying DOME & GAUGE Fuses

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

   Standard Resistance: Below 1Ω 

4. Reinstall the fuse.

NG: CHECK SHORT CIRCUIT IN COMPONENTS AND WIRES CONNECTED TO FUSE 

OK: Go TO NEXT STEP 

1. Disconnect the E13 combination meter connector.
   Fig 2: Identifying Combination Meter Assembly Connector Terminals

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

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Terminal No.	Condition	Specified Condition
   E13-21 (ES) - Body ground	Always	Below 1 Ω

3. Measure the voltage.

   Standard voltage 

   VOLTAGE SPECIFICATION
   
   

   Terminal No.	Condition	Specified Condition
   E13-2 (IG+) - Body ground	Ignition switch ON	11 to 14V
   E13-1 (B) - Body ground	Always	11 to 14V

4. Reconnect the combination meter connector.

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE COMBINATION METER ASSEMBLY