Engine Coolant Temperature Receiver Gauge Malfunction (to 12/2010)

METER: METER / GAUGE SYSTEM: Engine Coolant Temperature Receiver Gauge Malfunction
- Engine Coolant Temperature Receiver Gauge Malfunction

WIRING DIAGRAM





INSPECTION PROCEDURE

HINT
If there is an open or short in the engine coolant temperature sensor circuit, the ECM outputs DTCs. Perform troubleshooting with the "SFI System" Engine Control System - SFI System (to 12/2010).

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect Techstream to the DLC3.

(b) Ignition switch on (IG).

(c) Turn the tester on.

(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(e) Check the operation by referring to the table below.

Combination Meter:





OK:

Needle indication is normal.

NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (COOLANT TEMP)

(a) Connect Techstream to the DLC3.

(b) Ignition switch on (IG).

(c) Turn the tester on.

(d) Enter the following menus: Powertrain / Engine and ECT / Data List.

(e) Check the values by referring to the table below.

Engine and ECT:





OK:

Coolant temperature displayed on the tester is between 80°C (176°F) and 95°C (203°F) after warming up.

NG -- GO TO ENGINE CONTROL SYSTEM
OK -- Continue to next step.

3. REPLACE COMBINATION METER ASSEMBLY

(a) Replace the combination meter assembly with a new or a normal one.

OK:

The operation of the combination meter assembly returns to normal.

NG -- GO TO ENGINE CONTROL SYSTEM

OK -- END