Parking lights (vehicles up to 08.2001) — Pinpoint tests

            0

PINPOINT AF TEST: PARKING LIGHTS, REAR LIGHTS OR LICENSE PLATE LIGHTS DO NOT WORK

STATES

DETAILS/RESULTS/ACTIONS

AF1: IDENTIFY WHICH LAMP IS DEFECTIVE.

1 Determine the state in which the fault occurs.

• Parking lights, rear lights, or license plate lights not working in any position of the light switch?

Yes

Go to AF2

No

Light switch in position "parking" and ignition off: Go to AF4

Light switch in position "parking lights" or "dipped beam": Go to AF6

Daytime running lights, light switch in position "Turned off" and ignition on: Go to AF9

With daytime running lights, light switch in position "Parking lights" and ignition on: Go to AF10

AF2: CHECK CJB

1 Enter the OFF position.

2 Disconnect C16 CJB.

3 Measure the voltage between pin 6 of connector C16 CJB, circuit 29S-LF1 (orange yellow), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

REPLACE CJB. CHECK the system is working properly.

No

Go to AF3

AF3: INSPECT ELECTRICAL CIRCUIT 29S-LF1

1 Disconnect the C320 light switch.

2 Disconnect C16 CJB.

3 Measure the resistance between pin 13 of connector C320, light switch, circuit 29S-LF1 (orange yellow), on the wiring side, and pin 6 of the C16 CJB connector, on the wiring side.

• Is the resistance less than 2 ohms?

Yes

REPLACE light switch. CHECK the system is working properly.

No

REPAIR circuit 29S-LF1. CHECK the system is working properly.

AF4: CHECK LIGHT SWITCH

1 Enter the OFF position.

2 Disconnect the C320 light switch.

3 Measure voltage between pin 12 of connector C320 of light switch, circuit 30S-LE29 (red-green), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

Replace light switch. CHECK the system is working properly.

No

Go to AF5

AF5: INSPECT 30S-LE29 AND/OR 30S-LE29A CIRCUIT

1 Disconnect the C456 ignition switch.

2 Measure the resistance between pin 2 of connector C456 ignition switch circuit 30S-LE29 and/or 30S-LE29A (red-green), on the wiring side, and pin 12 of connector C320 of the light switch, on the wiring side.

• Is the resistance less than 2 ohms?

Yes

REPLACE ignition switch. CHECK the system is working properly.

No

REPAIR circuit 30S-LE29 and/or 30S-LE29A. CHECK the system is working properly.

AF6: CHECK FUSE F32

1 Disconnect Fuse F32 (10 A) (CJB).

2 Check fuse F32

• Fuse F32 (10 A) (CJB) serviceable?

Yes

Go to AF7

No

REPLACE fuse F32. If fuse F32 fails again, FIND and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

AF7: CHECK LIGHT SWITCH

1 Enter the OFF position.

2 Disconnect the C320 light switch.

3 Measure the voltage between pin 11 of connector C320, light switch, circuit 29-LE29 (orange-black), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

REPLACE light switch. CHECK the system is working properly.

No

Go to AF8

AF8: CHECK CJB

1 Measure the voltage between C17 CJB pin 8, element side, and "weight".

• Does the meter show battery voltage?

Yes

REPAIR circuit 29-LE29. CHECK the system is working properly.

No

REPLACE CJB. CHECK the system is working properly.

AF9: CHECK GROUND CONNECTION AT REAR LEFT TURN SIGNAL LAMP AREA

1 Enter the OFF position.

2 Disconnect the C320 light switch.

3 Drive the ON position.

4 Measure voltage between pin 15 C320 of light switch, circuit 15S-LE29 (green-black), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

REPLACE light switch. CHECK the system is working properly.

No

See Section 417-04 for more information.

AF10: INSPECT FUSE F14 BJB.

1 CHECK Fuse F14.

2 Check fuse F14

• Fuse F14 (BJB) serviceable?

Yes

Go to AF11

No

REPLACE fuse F14. If fuse F14 fails again, FIND and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

AF11: INSPECT 30S-LE29 AND/OR 30S-LE29A CIRCUIT

1 Disconnect the C320 light switch.

2 Measure the resistance between fuse F14 and pin 12 of connector C320 of light switch circuit 30S-LE29 / 30S-LE29A (red-green), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

Yes

Replace light switch. CHECK the system is working properly.

No

REPAIR circuit 30S-LE29 and/or 30S-LE29A. CHECK the system is working properly.



PINPOINT TEST AG: ONE OR MORE PARKING LIGHTS, REAR LIGHTS OR LICENSE PLATE LIGHTS DO NOT WORK


STATES

DETAILS/RESULTS/ACTIONS

AG1: IDENTIFY THE STATE IN WHICH THE FAULT IS APPEARING

1 Enter the OFF position.

2 Set the light switch to "parking lights".

3 Determine the state in which the fault occurs.

• Parking lights and taillights not working?

Yes

Go to AG2

No

Tail lights not working: Go to AG8

License plate lights not working: Go to AG14

AG2: IDENTIFY THE STATE IN WHICH THE FAULT APPEARS

1 Check the operation of the right parking lights and rear lights.

• Right parking light and tail light not working?

Yes

Go to AG7

No

Right parking light not working: Go to AG3

Left parking light not working: Go to AG5

AG3: INSPECT ELECTRICAL CIRCUIT 29S-LF16

1 Disconnect the C834 right headlight.

2 Measure the voltage between pin 3 of connector C834 of the right headlight, circuit 29S-LF16 (orange green), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

Go to AG4

No

REPAIR circuit 29S-LF16. CHECK the system is working properly.

AG4: CHECK ELECTRICAL CIRCUIT 31-LE30 AT GROUND SITE

1 Measure the resistance between pin 4 of connector C834, right headlight, circuit 31-LE30 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

REPLACE the right headlight after checking the bulb. CHECK the system is working properly.

No

REPAIR circuit 31-LE30 at ground area. CHECK the system is working properly.

AG5: INSPECT ELECTRICAL CIRCUIT 29S-LF7

1 Disconnect the left headlight C835.

2 Measure the voltage between pin 3 of connector C835, left headlight, circuit 29S-LF7 (orange-blue), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

Go to AG6

No

REPAIR circuit 29S-LF7. CHECK the system is working properly.

AG6: CHECK ELECTRICAL CIRCUIT 31-LE31 AT GROUND SITE

1 Measure the resistance between pin 4 of connector C835, left headlight, circuit 31-LE31 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

REPLACE the left headlight after checking the bulb. CHECK the system is working properly.

No

REPAIR circuit 31-LE31 at ground area. CHECK the system is working properly.

AG7: CHECK F48 FUSE

1 Enter the OFF position.

2CHECK F48 (7.5 A) (CJB).

3 Check fuse F48 (7.5 A) (CJB).

• Is fuse F48 OK?

Yes

REPLACE CJB. CHECK the system is working properly.

No

REPLACE fuse F48. If fuse F48 fails again, FIND and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

AG8: IDENTIFY THE FAULTY STATE

1 Check the operation of the left parking light and tail light.

• Left parking light and tail light not working?

Yes

Go to AG13

No

Right tail light not working: Go to AG9

Left tail light not working: Go to AG11

AG9: INSPECT ELECTRICAL CIRCUIT 29S-LF20

1 Disconnect C473, C477 or C475 of the right rear light assembly.

2 Measure the voltage between the pins of the right rear light assembly:

- 3-door and 5-door: pin 1 of connector C473,

- 4-door version: by pin 3 connector C477,

- "station wagon": pin 2 connector C475,

- electrical circuit 29S-LF20 (orange), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

Go to AG10

No

REPAIR circuit 29S-LF20. CHECK the system is working properly.

AG10: CHECK 31-LF24 ELECTRICAL CIRCUIT AT GROUND SITE

1 Measure the resistance between the pins of the right rear light assembly:

- 3 and 5 door versions: C473 connector pin 3,

- 4-door version: by pin 4 connector C477,

- "station wagon": pin 3 connector C475,

- electrical circuit 31-LF24 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

REPLACE the right rear light assembly after checking the bulb. CHECK the system is working properly.

No

REPAIR circuit 31-LE24 at ground area. CHECK the system is working properly.

AG11: INSPECT ELECTRICAL CIRCUIT 29S-LF11

1 Disconnect C472, C476 or C474 of the left rear light assembly.

2 Measure the voltage between the pins of the left rear light assembly

- 3 and 5 door versions: pin 1 connector C472,

- 4-door version: by pin 2 connector C476,

- "station wagon": pin 2 connector C474,

- electrical circuit 29S-LF11 (orange white), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

Go to AG12

No

REPAIR circuit 29S-LF11. CHECK the system is working properly.

AG12: CHECK ELECTRICAL CIRCUIT 31-LF23 AT GROUND SITE

1 Measure the resistance between the pins of the left rear light assembly,

- 3 and 5 door versions: by pin 3 connector C472,

- 4-door version: pin 6 connector C476,

- "station wagon": pin 3 connector C474,

- electrical circuit 31-LF23 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

REPLACE the left rear light assembly after checking the bulb. CHECK the system is working properly.

No

REPAIR circuit 31-LF23 at ground area. CHECK the system is working properly.

AG13: CHECK F47 FUSE

1 Enter the OFF position.

2CHECK F47 (7.5 A) (CJB).

3 Check fuse F47 (7.5 A) (CJB).

• Is the fuse good?

Yes

REPLACE CJB. CHECK the system is working properly.

No

REPLACE fuse F47. If fuse F47 fails again, FIND and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

AG14: IDENTIFY THE FAULT STATE

1 Check the operation of the license plate lights.

• Is the right license plate light not working?

Yes

Go to AG17

No

Left license plate light not working: Go to AG16

Both license plate lights not working: Go to AG15

AG15: INSPECT ELECTRICAL CIRCUIT 29S-LF21

1 Disconnect the C320 light switch.

2 Disconnect C495 left license plate light.

3 Measure the resistance between pin 16 of connector C320, light switch, circuit 29S-LF21 (orange-black), on the wiring side, and pin 1 C495 of the left license plate light, on the wiring side.

• Is the resistance less than 2 ohms?

Yes

Replace light switch. CHECK the system is working properly.

No

REPAIR circuit 29S-LF21. CHECK the system is working properly.

AG16: CHECK 31-LF21 ELECTRICAL CIRCUIT AT GROUND SITE

1 Disconnect C494 left license plate light.

2 Measure the resistance between pin 1 of connector C494, left license plate light, circuit 31-LF21 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

REPLACE the left license plate lamp after checking the lamp. CHECK the system is working properly.

No

REPAIR circuit 31-LF21. CHECK the system is working properly.

AG17: INSPECT ELECTRICAL CIRCUIT 29S-LF22

1 Disconnect C497 right license plate light.

2 Measure the voltage between pin 1 of connector C497, right license plate light, circuit 29S-LF22 (orange-black), from the wiring side, and "weight".

• Does the meter show battery voltage?

Yes

Go to AG18

No

REPAIR circuit 29S-LF22. CHECK the system is working properly.

AG18: CHECK 31-LF22 ELECTRICAL CIRCUIT AT GROUND SITE

1 Disconnect the C496 right license plate light.

2 Measure the resistance between pin 1 of connector C496, right license plate light, circuit 31-LF22 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

Yes

After checking the lamp, REPLACE the right license plate lamp. CHECK the system is working properly.

No

REPAIR circuit 31-LF22. CHECK the system is working properly.



PINPOINT TEST AH: PARKING LIGHTS, REAR LIGHTS OR LICENSE PLATE LIGHTS ON PERMANENTLY

STATES

DETAILS/RESULTS/ACTIONS

AH1: IDENTIFY THE FAULTY STATUS

1 Drive the ON position.

2 Check that the parking lights, tail lights, and license plate lights are on at all times.

• All parking lights, rear lights, and license plate lights are permanently on in the light switch position "Turned off"?

Yes

Go to AH4

No

All parking lights, taillights and license plate lamps are permanently on when the light switch is in the position "parking"?

For vehicles without daytime running lights: Go to AH2

For vehicles with daytime running lights: Go to AH3

AH2: CHECK IGNITION SWITCH

1 Enter the OFF position.

2 Disconnect the C456 ignition switch.

3 Check the ignition switch for a short circuit.

• All taillights and parking lights permanently on in light switch position "parking"?

Yes

REPAIR circuit 30S-LE29. CHECK the system is working properly.

No

REPLACE ignition switch. CHECK the system is working properly.

AH3: INSPECT IGNITION SWITCH / ELECTRICAL 30S-LE29, 30S-LE29A.

1 Enter the OFF position.

2 Disconnect the C456 ignition switch.

3 Disconnect Fuse F14 (10 A) (BJB).

4 Check ignition switch/circuit 30S-LE29, 30S-LE29A.

• All taillights and parking lights permanently on in light switch position "parking"?

Yes

REPAIR circuit 30S-LE29 and/or 30S-LE29A. CHECK the system is working properly.

No

REPLACE ignition switch. CHECK the system is working properly.

AH4: CHECK LIGHT SWITCH

1 Enter the OFF position.

2 Disconnect the C320 light switch.

3 Drive the ON position.

4 Check that the parking lights, rear lights and license plate lights are on at all times.

• Are all parking lights and taillights on at all times?

Yes

Go to AH5

No

License plate lights permanently on: Go to AH7

License plate lights not on all the time, vehicles without daytime running lights: REPLACE light switch. CHECK the system is working properly.

License plate lights not on all the time, vehicles with daytime running lights: Refer to Section 417-04 for more information.

AH5: CHECK CJB

1 Enter the OFF position.

2 Disconnect C16 CJB.

3 Drive the ON position.

4 Check that all parking lights, tail lights, and license plate lights come on at all times.

• Are the parking lights and taillights on all the time?

Yes

Right parking lights and tail lights always on: REPAIR circuit 29S-LF20 or 29S-LF16. CHECK the system is working properly.

Left parking lights and tail lights always on: REPAIR circuit 29S-LF11 or 29S-LF7. CHECK the system is working properly.

No

Go to AH6

AH6: INSPECT ELECTRICAL CIRCUIT 29S-LF1

1 Measure the voltage between pin 6 of connector C16 CJB, circuit 29S-LF1, wiring side, and "weight".

• Does the meter show battery voltage?

Yes

REPAIR circuit 29S-LF1. CHECK the system is working properly.

No

REPLACE CJB. CHECK the system is working properly.

AH7: CHECK CENTRAL TIMER MODULE

1 Disconnect the C1000 CTM.

2 Check the central timer module (CTM) for a short circuit

• Are the license plate lights on all the time?

Yes

Go to AH8

No

REPLACE CTM. CHECK the system is working properly.

AH8: CHECK CJB

1 Disconnect C15 CJB.

2 Check the CJB for a short circuit.

• Are the license plate lights on all the time?

Yes

REPAIR circuit 29S-LE18, 29S-LF21, or 29S-LF22. CHECK the system is working properly.

No

REPLACE CJB. CHECK the system is working properly.








Link to this page in different formats
HTMLTextBB Code


Visitor comments


No comments yet



Focus 2 
Focus Turnier 1 
Focus 1