Last Modified: 11-29-2007 1.6 J
Service Category: Vehicle Interior Section: Meter/Gauge/Display
Model Year: 2008 Model: Sequoia Doc ID: RM000002ZM9003X
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 Sequoia)

Engine Coolant Temperature Gauge Malfunction

DESCRIPTION

In this circuit, the combination meter receives the engine coolant temperature signals from the ECM using the CAN communication lines. The combination meter displays an engine coolant temperature that is calculated based on the data received from the ECM.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC

(a) Use the Techstream to check if the CAN communication system is functioning normally METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

CAN communication system DTC is not output

A

CAN communication system DTC is output

B
A

2.

CHECK SFI SYSTEM (ENGINE COOLANT TEMPERATURE)

(a) Check for DTCs METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

SFI system DTC is not output

A

SFI system DTC (for 2UZ-FE) is output

B

SFI system DTC (for 3UR-FE) is output

C
A