Inspection Procedure

1. Remove the MET and ECU-B1 fuses from the engine room relay block.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   MET fuse	Always	Below 1 Ω
   ECU-B1 fuse

NG: REPLACE FUSE 

OK: Go to next step. 

1. Disconnect the E7 meter connector.
2. Measure the resistance and voltage according to the value(s) in the tables below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   E7-15 (ET) - Body ground	Always	Below 1 Ω

   Standard Voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Switch Condition	Specified Condition
   E7-17 (B) - Body ground	Always	11 to 14 V
   E7-18 (IG+) - Body ground	Engine switch on (IG)

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 1: Identifying E7 Meter Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )