Diagnostic procedure

CHECK CODE 18 DIAGNOSTIC PROCEDURE

INSPECTION	INDICATION	SITUATION	ACTION
Wait for 2 seconds after selecting check code 18.	on (Turns on and off)	Ignition key illumination turns on and off three times .	Ignition key illumination is okay.
Wait for 2 seconds after selecting check code 18.	on (Turns on and off)	Other than stated above.	Measure voltage at instrument cluster terminal 2C. Is voltage B+ ? If as specified, replace instrument cluster. If not as specified, inspect following parts. Ignition key illumination Wiring harness (Battery-ignition key illumination-instrument cluster)