Contents

			Test results
1	COMPONENT CONCERNED	CHECK ERRORS IN BODY COMPUTER	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Body Computer	Connect the diagnostic equipment to the Body Computer and check for the presence of errors on the Cruise Control lever	Go to Step 2	Presence of errors on the Cruise Control lever	Continue as instructed by the diagnosis equipment
2	COMPONENT CONCERNED	CONNECTION CHECK ON POWERTRAIN CONTROL MODULE AND BODY COMPUTER	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connections on Powertrain Control Module and Body Computer	Check for loose connections on the Powertrain Control Module and the Body Computer	Go to Step 3	Presence of loose connections	Restore the correct connections
3	COMPONENT CONCERNED	CHECK WIRING BETWEEN POWERTRAIN CONTROL MODULE AND BODY COMPUTER	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between Powertrain Control Module and Body Computer	Check the continuity of the wiring from the Powertrain Control Module to the Body Computer	Go to Step 4	Faults in the continuity of the wiring	Restore the correct continuity for the wiring
4	COMPONENT CONCERNED	BODY COMPUTER OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Body Computer	Check that the Body Computer is working correctly	Go to Step 5	The Body Computer is not working correctly	Replace Body Computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.
5	COMPONENT CONCERNED	POWERTRAIN CONTROL MODULE OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Powertrain Control Module	Check that the Powertrain Control Module is working correctly	End of diagnosis	Powertrain Control Module not working properly	Replace the Powertrain Control Module Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R