Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY TECHSTREAM (CRUISE MAIN INDICATOR LIGHT)

Using the Techstream, perform the Active Test.

Techstream

COMBINATION METER

Tester Display	Test Part	Control Range	Diagnostic Note
Indicat. Lamp Cruise	CRUISE main indicator light operation	OFF or ON	-

OK: Indicator light comes on / goes off.

NG: GO TO METER / GAUGE SYSTEM

OK: Go to Next Step

READ VALUE OF TECHSTREAM (CRUISE MAIN INDICATOR LIGHT)

Using the Techstream, read the Data List.

Techstream

DATA LIST CRUISE CONTROL

Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
CCS Indicator M-CPU	CRUISE main indicator light (Main CPU)/ON or OFF	ON: CRUISE main indicator light is ON OFF: CRUISE main indicator light is OFF	-

OK: When cruise control main switch operation is performed, the result will be same as above.

Result

RESULT REFERENCE

Result	Proceed to
OK	A
NG (for 1GR-FE)	B
NG (for 2UZ-FE)	C
NG (for 3UR-FE)	D

B: REPLACE ECM (See REMOVAL (1GR-FE))

C: REPLACE ECM (See REMOVAL (2UZ-FE))

D: REPLACE ECM (See REMOVAL (3UR-FE))

A: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE