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Diagnostic Procedure

CHECK OVERALL FUNCTION

Check ASCD indicator under the following conditions.

MONITOR ITEM CONDITION

MONITOR ITEM	CONDITION		SPECIFICATION
CRUISE LAMP	Ignition switch: ON	MAIN switch: Pressed at the 1st time --> at the 2nd time	ON --> OFF
SET LAMP	MAIN switch: ON When vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH)	ASCD: Operating	ON
SET LAMP		ASCD: Not operating	OFF

OK or NG

OK: INSPECTION END

NG: GO TO 2.

CHECK DTC
Check that DTC U1000 or U1001 is not displayed.

OK or NG

OK: GO TO 3.

NG: Perform trouble diagnoses for DTC U1000, U1001. Refer to "DTC U1000, U1001 CAN COMMUNICATION LINE ".
CHECK DTC WITH "UNIFIED METER AND A/C AMP."
Refer to "SELF-DIAGNOSTIC RESULTS ".

OK or NG

OK: GO TO 4.

NG: Go to "SYSTEM DESCRIPTION ".
CHECK INTERMITTENT INCIDENT
Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

: INSPECTION END