METER / GAUGE SYSTEM, Diagnostic DTC:B1501

DESCRIPTION

This DTC is stored when the combination meter detects a fuel sender gauge malfunction.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER (FUEL SENDER GAUGE)

   
   

   1. Operate the intelligent tester according to the display and select the Data List Click here.

      Combination Meter

      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 amount value displayed on the intelligent tester is almost same as needle indication.

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY Click here

   OK

2. CHECK HARNESS AND CONNECTOR (COMBINATION METER - FUEL SENDER GAUGE AND BODY GROUND)

   

   
   

   1. Disconnect the E77 meter connector.

   2. Disconnect the M2 gauge connector.

   3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition E77-13 (L) - M2-3 (S) Always Below 1 Ω E77-12 (FE) - M2-1 (E) E77-26 (ET) - Body ground E77-13 (L) or M2-3 (S) - Body ground Always 10 kΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. INSPECT FUEL SENDER GAUGE ASSEMBLY

   

   
   

   1. Remove the fuel sender gauge Click here [3UR-FE], Click here [1UR-FE]).

   2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition 3 (S) - 1 (E) Float level is F (upper) 12 to 18 Ω Float level is E (lower) 405 to 415 Ω

      Result

      Result	Proceed to
      OK	A
      NG (3UR-FE)	B
      NG (1UR-FE)	C

   
   

   B

   REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

   C

   REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

   A

   REPLACE COMBINATION METER ASSEMBLY Click here