Inspection Procedure

1. Operate the Techstream according to the display and select the Data List (See DATA LIST / ACTIVE TEST  ).

   Combination Meter 

   DIAGNOSTIC NOTE CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Fuel Input	Fuel sender gauge (main) input signal/Min.: 0, Max.: 127.5	Fuel sender input value	Unit: L

   OK: Fuel value displayed on the Techstream is almost the same as needle indication. 

NG: Go to step 2 

OK: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )

Fig 1: Identifying Combination Meter And Fuel Sender Gauge Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E7 and E8 meter connectors.
2. Disconnect the N1 gauge connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   E8-9 (L) - N1-2 (FS)	Always	Below 1 Ω
   E8-21 (E) - N1-3 (FE)
   E7-15 (ET) - Body ground
   E8-9 (L) or N1-2 (FS)-Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step. 

1. Remove the fuel sender gauge (See REMOVAL ).
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
   2 (FS) - 2 (FS)	Always	Below 1 Ω
   3 (FE) - 1 (FE)

NG: REPLACE FUEL SUCTION WITH PUMP AND GAUGE ASSEMBLY  (See REMOVAL )

Fig 2: Identifying Fuel Sender Gauge Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step. 

1. Remove the fuel sender gauge (See REMOVAL ).
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
   2 (FS) - 3 (FE)	Float level is F (upper)	12 to 18 Ω
   	Float level is E (lower)	405 to 415 Ω

NG: REPLACE FUEL SENDER GAUGE ASSEMBLY  (See REMOVAL )

Fig 3: Identifying Fuel Sender Gauge Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )