17 · Electrical

Check ignition-operated headlamp power supply

Electrical equipmentCheck ignition-operated headlamp power supply

CHECK IGNITION-OPERATED HEADLAMP POWER SUPPLY

Check 5540BJ

2.2 JTS, 3.2 JTS · Gas discharge headlamps

	CHECK TO BE PERFORMED	RESOLUTION IF THE CHECK IS NOT OK
1	With the ignition ON, check for the presence at Pin 9 of the 14-way connector of the Master See F010 LEFT HEADLAMP and Slave headlamp See F011 RIGHT HEADLAMP of a voltage of +12 V. The test can be considered over	Move on to Step 2
2	Check the under-dashboard junction unit to ensure that fuse F37 (in the centre of the second row from the top) has not blown	Replace fuse F37 in the under-dashboard junction unit after identifying the reason why it blew
3	Restore wiring continuity between the Body Computer and headlamp See E2011 DIPPED HEADLAMPS

CHECK TO BE PERFORMED

RESOLUTION IF THE CHECK IS NOT OK

With the ignition ON, check for the presence at Pin 9 of the 14-way connector of the Master

and Slave headlamp

of a voltage of +12 V.

The test can be considered over

Move on to Step 2

Check the under-dashboard junction unit to ensure that fuse F37 (in the centre of the second row from the top) has not blown

Replace fuse F37 in the under-dashboard junction unit after identifying the reason why it blew

Restore wiring continuity between the Body Computer and headlamp

2.4 JTD 20v · Gas discharge headlamps

STEP	CHECK TO BE PERFORMED	RESOLUTION IF THE CHECK IS NOT OK
1	With the ignition ON check for the presence at Pin 9 of the Master headlamp 14-way connector See F010 LEFT HEADLAMP and Slave headlamp See F011 RIGHT HEADLAMP of a voltage of +12 V. The test can be considered over	Move on to Step 2
2	Check the under-dashboard junction unit to ensure that fuse F37 (in the centre of the second row from the top) has not blown	Replace fuse F37 in the under-dashboard junction unit after identifying the reason why it blew
3	Restore wiring continuity between the Body Computer and headlamp See E2011 DIPPED HEADLAMPS

STEP

CHECK TO BE PERFORMED

RESOLUTION IF THE CHECK IS NOT OK

With the ignition ON check for the presence at Pin 9 of the Master headlamp 14-way connector

and Slave headlamp

of a voltage of +12 V.

The test can be considered over

Move on to Step 2

Check the under-dashboard junction unit to ensure that fuse F37 (in the centre of the second row from the top) has not blown

Replace fuse F37 in the under-dashboard junction unit after identifying the reason why it blew

Restore wiring continuity between the Body Computer and headlamp

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