Command interpretation

AC001

HIGH BEAM

INSTRUCTIONS

Check the condition and connection of fuses "8A" and "8B" on the Protection and Switching Unit and of the bulbs.

Replace them if necessary.

Without xenon bulbs	Check the condition and connection of the headlight connectors. Repair if necessary.
	Check for earth on pin 1 of the headlight connector. Repair if necessary.
	Check for + 12 V on pin 4 of the headlight while the control isActivated. If correct, ensure insulation and continuity of the internal connections between the bulb and the headlight connector.
	Check the condition and connection of connector PPA and of the fuses on the Protection and Switching Unit. Repair if necessary.
	Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPA pin 3 → Pin 4 of the left headlight Protection and Switching Unit connector PPA pin 4 → Pin 4 of the right headlight Repair if necessary.
	If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

INSTRUCTIONS

Check the condition and connection of fuses "8A" and "8B" on the Protection and Switching Unit and of the bulbs.

Replace them if necessary.

With xenon bulbs	Check the condition and connection of the headlight connectors. Repair if necessary.
	Check for earth on pins 4 and 10 of the headlights and on pin 2 of the rear lights and the number plate light. Repair if necessary.
	Check for + 12 V on pin 9 of the headlight connector and pin 1 of the rear light and number plate light while the control is activated. If correct, ensure insulation and continuity of the internal connections between the bulb and the headlight connector.
	Check the condition and connection of connectors PPA and of the fuses on the Protection and Switching Unit. Repair if necessary.
	Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPA pin 3 → Pin 5 left headlight Protection and Switching Unit connector PPA pin 4 → Pin 5 right headlight Repair if necessary.
	If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC002

LOW BEAM HEADLIGHTS

INSTRUCTIONS

Check the condition and connection of fuses "8C" and "8D" on the Protection and Switching Unit and the bulbs.

Replace them if necessary.

Without xenon bulbs	Check the condition and connection of the headlight connectors. Repair if necessary.
	Check for ground on the bulb connectors. Repair if necessary.
	With the control activated, check for + 12 V on the bulb connectors. If compliant, replace the bulb(s).
	Check the condition and connection of connector PPA and of the fuses on the Protection and Switching Unit. Repair if necessary.
	Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPA pin 6 → Pin 2 left headlight Protection and Switching Unit connector PPA pin 5 → Pin 2 right headlight Repair if necessary.
	If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a compliance check and address any other faults.

INSTRUCTIONS

Check the condition and connection of fuses "8C" and "8D" on the Protection and Switching Unit and the bulbs.

Replace them if necessary.

With xenon bulbs	Check the condition and connection of the headlight connectors. Repair if necessary.
	Check for ground on pins 4 and 10 of the headlight connectors. Repair if necessary.
	While activating the control, check for + 12 V on pin 3 of each headlight. If correct, refer to the xenon lamp diagnosis.
	Check the condition and connection of connectors PPA and of the fuses on the Protection and Switching Unit. Repair if necessary.
	Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPA pin 6 → Pin 3 left headlight Protection and Switching Unit connector PPA pin 5 → Pin 3 right headlight Repair if necessary.
	If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC003

POSITION LIGHTS

INSTRUCTIONS

Check the condition and connection of fuses 7A and 7B on the Protection and Switching Unit and the bulbs.

Replace them if necessary.

Without xenon bulbs	Check the condition and connection of the light and headlight connectors. Repair if necessary.
	Check for ground on pin 1 of the headlights and on pin 2 of the rear lights and number plate light. Repair if necessary.
	While activating the control, check for + 12 V on pin 5 of the headlight connector and pin 1 of the rear light and number plate light. If correct, ensure insulation and continuity of the internal connections between the bulb and the headlight connector.
	Check the condition and connection of the PPA and PPH2 connectors and the fuses on the Protection and Switching Unit. Repair if necessary.
	Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPH2 pin 6 → Pin 1 left rear light Protection and Switching Unit connector PPH2 pin 7 → Pin 1 right rear light and number plate lights Protection and Switching Unit connector PPA pin 1 → Pin 5 left headlight Protection and Switching Unit connector PPA pin 2 → Pin 5 right headlight Repair if necessary.
	If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

INSTRUCTIONS

Check the condition and connection of fuses 7A and 7B on the Protection and Switching Unit and the bulbs.

Replace them if necessary.

With xenon bulbs	Check the condition and connection of the light and headlight connectors. Repair if necessary.
	Check for earth on pins 4 and 10 of the headlights and on pin 2 of the rear lights and the number plate light. Repair if necessary.
	Check for + 12 V on pin 9 of the headlight connector and pin 1 of the rear light and number plate light while the control is activated. If compliant, check the insulation and continuity of the internal wiring between the bulb and the headlight connector.
	Check the condition and connection of the PPA and PPH2 connectors and the fuses on the Protection and Switching Unit. Repair if necessary.
	Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPH2 pin 6 → Pin 1 left rear light Protection and Switching Unit connector PPH2 pin 7 → Pin 1 right rear light and number plate light Protection and Switching Unit connector PPA pin 1 → Pin 9 left headlight Protection and Switching Unit connector PPA pin 2 → Pin 9 right headlight Repair if necessary.
	If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC004

FRONT FOG LIGHTS

INSTRUCTIONS

Check the condition and connection of fuse "10".

Check the condition and connection of the bulbs.

Replace them if necessary.

Check the condition and connection of the bulb connectors. Repair if necessary.

Check for ground on the bulb connectors. Repair if necessary.

While activating the control, check for + 12 V on the bulb connectors. If compliant, replace the bulb(s).

Check the condition and connection of the PPA connector on the Protection and Switching Unit. Repair if necessary.

Ensure insulation and continuity of the connections between: Protection and Switching Unit connector PPA pin 8 → Left front fog light connector Protection and Switching Unit connector PPA pin 7 → Right front fog light connector Repair if necessary.

If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC005

LOW SPEED WIPER

INSTRUCTIONS

Check the condition and connection of fuse 9 on the Protection and Switching Unit.

Check that the status "ET002 Front wiper protection" remains "Inactive".

Otherwise, carry out the diagnosis for status "ET002".

Check the condition and connection of the wiper motor. Repair if necessary.

Make sure pin 1 of the wiper motor is grounded. Repair if necessary.

While activating the control, check for 12 V on pin 4 of the wiper motor. If compliant, replace the motor.

Check the condition and connection of the PPH2 connector on the Protection and Switching Unit. Repair if necessary.

Check the insulation and continuity of the wiring between Protection and Switching Unit connector PPH2 pin 2 and pin 4 of the wiper motor. Repair if necessary.

If the problem is still not resolved, contact your Techline.

AFTER REPAIR

Carry out a compliance check and address any other faults.

AC006

HIGH SPEED WIPER

INSTRUCTIONS

Check the condition and connection of fuse 9 on the Protection and Switching Unit.

Check that the status "ET002 Front wiper protection" remains "Inactive".

Otherwise, carry out the diagnosis for status "ET002".

Check the condition and connection of the wiper motor. Repair if necessary.

Make sure pin 1 of the wiper motor is grounded. Repair if necessary.

While activating the control, check for 12 V on pin 5 of the wiper motor. If compliant, replace the motor.

Check the condition and connection of the PPH2 connector on the Protection and Switching Unit. Repair if necessary.

Check the insulation and continuity of the wiring between Protection and Switching Unit connector PPH2 pin 1 and pin 5 of the wiper motor. Repair if necessary.

If the problem is still not resolved, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC008

COMPRESSOR CONTROL

INSTRUCTIONS

Do not activate the control with the engine running.

Check the condition and connection of fuse 4 on the Protection and Switching Unit.

Check the condition and connection of the air conditioning compressor connector. Repair if necessary.

Make sure the compressor is properly grounded.

While activating the control, check for 12 V on the compressor connector. If not compliant: Check the condition and connection of the PPM2 connector on the Protection and Switching Unit. Check the insulation and continuity of the wiring between Protection and Switching Unit connector PPM2 pin 5 and the compressor connector. Repair if necessary.

If everything is correct, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC009

LOW SPEED COOLING FAN ASSEMBLY

INSTRUCTIONS

Check the condition and connection of fuse 11 on the Protection and Switching Unit.

The cooling fans must be stopped.

Make sure nothing mechanically blocks the rotation of the fan blades.

Protection and Switching Unit type N1	Check the condition and connection of the fan connector. Repair if necessary.
	Make sure the cooling fan assembly is properly grounded.
	While activating the control, check for 12 V at the cooling fan assembly. If compliant, replace the cooling fan assembly. If not compliant, check the insulation and continuity of the wiring between Protection and Switching Unit connector PPM1 pin 4 and the cooling fan. Repair if necessary.
	If the problem is not resolved, contact your Techline.

Protection and Switching Unit type N3	Check the operation of the high-speed fan motor group using command AC010. If not compliant, carry out the diagnosis of command AC010.
	Check that the resistance value across the resistor is equal to 0.69 Ω ± 20 %. If not compliant, replace it.
	Check for 12 V on the low-speed fan motor resistor with the function activated. If not compliant, check the insulation and continuity of the wiring between the Protection and Switching Unit connector PPM1 pin 4 and the resistor. If compliant, check the insulation and continuity between the resistor and the Protection and Switching Unit connector P1. Repair if necessary.
	If the problem is not resolved, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC010

HIGH-SPEED FAN MOTOR GROUP

INSTRUCTIONS

Check that there are no faults.

Check the condition and connection of fuse 11 on the Protection and Switching Unit.

Check the condition and connection of the fan connector. Repair if necessary.

Make sure the cooling fan assembly is properly grounded.

Check for 12 V on the high-speed fan motor group while the command is activated. If compliant, replace the high-speed fan motor group. If not compliant, check the insulation and continuity of the wiring between the Protection and Switching Unit connector P1 and the fan motor. Repair if necessary.

If the problem is not resolved, contact your Techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC011

REAR WINDOW DEFROST

INSTRUCTIONS

Power supply level + after ignition on.

Check the condition and connection of fuse 6 on the Protection and Switching Unit.

Rear window

Check the condition and connection of the connectors on the rear window.

Check that the rear window heating element resistance is neither zero nor infinite (approximately 0.5 Ω).

Ensure the rear window defrost is earthed (grounded).

Check for 12 V on the rear window terminal with the function activated.

If not compliant: check the condition and connection of connector PPH1 on the Protection and Switching Unit.

Repair if necessary.

Check the insulation and continuity of the wiring between the Protection and Switching Unit connector PPH1 pin 2 and the rear window.

Mirrors (if equipped with the defrost function)

Check the condition and connection of the corresponding fuse in the passenger compartment fuse and relay box.

Check the condition and connection of the connectors on the mirrors.

Ensure the mirror connectors are earthed (grounded) on pin 5.

Check for 12 V on pin 1 of the mirror connector with the function activated.

If not compliant: check the condition and connection of connector PPH1 on the Protection and Switching Unit.

Check the insulation and continuity of the wiring between the Protection and Switching Unit connector PPH1 pin 2 and mirror pin 1, passing through the passenger compartment fuse and relay box.

Repair if necessary.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.

AC012

FRONT WIPER PARK POSITION TEST

INSTRUCTIONS

Commands AC005 and AC006 must operate for this command to be activated.

Otherwise, refer to the troubleshooting section for these commands.

Apply this method if the front wipers do not stop at their rest position.

Check the condition and connection of the wiper motor connector and of connector PEH on the UPC. Repair if necessary.

Ensure pin 1 of the wiper motor is earthed (grounded). Repair if necessary.

Check the insulation and continuity of the wiring between UPC connector PEH pin 6 and wiper motor pin 2. Repair if necessary.

Using a test lamp connected between wiper motor pin 2 and UPC connector PEH pin 6, with the wipers activated, check that the lamp lights briefly at the end of the wipe cycle. If not compliant, replace the wiper motor.

If the problem persists, contact your techline.

AFTER REPAIR

Carry out a conformity check and deal with any other malfunctions found.