Last Modified: 11-29-2007 1.6 C
Service Category: Vehicle Interior Section: Meter/Gauge/Display
Model Year: 2008 Model: Sequoia Doc ID: RM000002S2T00FX
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

B1500

Fuel Sender Open Detected

DESCRIPTION

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

DTC Code

DTC Detection Condition

Trouble Area

B1500

When combination meter detects fuel sender gauge malfunction
  • Harness or connector
  • Combination meter
  • Fuel sender gauge

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

READ VALUE USING TECHSTREAM (FUEL SENDER GAUGE)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream ON.

(d) Enter the following menus: Body Electrical / Combination Meter / Data List.

(e) According to the display on the Techstream, read the Data List.

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

OK

2.

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

(a) Disconnect the H37 meter connector.

(b) Disconnect the Q1 gauge connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

H37-12 (L) - Q1-2

Always

Below 1 Ω

H37-39 (E3) - Q1-3

Always

Below 1 Ω

H37-40 (E1) - Body ground

Always

Below 1 Ω

H37-12 (L) or Q1-2 - Body ground

Always

10 kΩ or higher
OK

3.

INSPECT FUEL SENDER GAUGE ASSEMBLY

(a) Remove the fuel sender gauge.

HINT:

  • for 2UZ-FE 2UZ-FE FUEL: FUEL SENDER GAUGE ASSEMBLY: REMOVAL (2008 Sequoia) .
  • for 3UR-FE 3UR-FE FUEL: FUEL SENDER GAUGE ASSEMBLY: REMOVAL (2008 Sequoia) .

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 - 3

Float level is F (upper)

12 to 18 Ω

Float level is E (lower)

405 to 415 Ω

Result

Result

Proceed to

Result is as specified

A

Result is not as specified (for 2UZ-FE)

B

Result is not as specified (for 3UR-FE)

C
A