22 · Diagnostics

Starter motor not working

Fault diagnosisStarter motor not working

STARTER MOTOR NOT WORKING

When the key is turned to the ON position, the instruments light up; in the (AVV) Starting position, the starter motor does not turn.

1	MOTOR POWER SUPPLY CHECK	All OK	Problems encountered	Operation
		Results of the tests
	Check that the supply lead between the battery and the starter motor is intact and securely fastened	Move on to Step 2	Lead fastening slack	Secure the lead
2	STARTER MOTOR RELAY FEED CHECK	All OK	Problems encountered	Operation
	Check the connection between the switch and relay	Move on to Step 3	No continuity	Using a Tester, check whether the lack of continuity is between the switch and the engine compartment junction unit or between the engine compartment junction unit and the motor relay: see wiring diagram See E5010 STARTING AND RECHARING
	Check the connection between the switch and relay	Move on to Step 3	Junction unit continuity failure	If the lack of continuity is in the junction unit, replace the junction unit Op. 5505A13 SUPPLEMENTARY JUNCTION CONTROL UNIT IN ENGINE BAY - R R otherwise, renew the cable concerned
3	SWITCH CHECK	All OK	Problems encountered	Operation
	Check the operation and the condition of the switch. Operate the switch.	Move on to Step 4	No contact at pin 50	Replace the switch Op. 5520A12 IGNITION SWITCH ASSEMBLY - R R FOR VERSIONS WITH AIR BAG
4	CHECK ON CORRECT OPERATION	All OK	Problems encountered	Operation
	Check that the fault is no longer present		Fault persists	Search for the problem starting from another symptom

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