Testing
Note. If the transmission range (TR) sensor is malfunctioning and the backup lamps are on all the time or do not turn on, the auto-dimming interior mirror will not darken or return to normal view.
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- G1 CHECK OPERATION OF THE BACKUP LAMPS Key in ON position. Move the shift control selector through the entire range. Do the backup lamps illuminate only in REVERSE? Yes : GO to G2. No : REFER to «EXTERIOR LIGHTING»(/ford/five-hundred/i-2004-2007/remont/exterior-lights/#exterior-lighting-system) to diagnose backup lamps.
- G2 CHECK THE OPERATION OF THE AUTO-DIMMING INTERIOR MIRROR - DAYLIGHT CONDITIONS Key in ON position. Turn the auto-dimming feature ON. The green LED on the mirror should be ON. Use a bright lamp to simultaneously illuminate the forward-facing sensor and the rear-facing sensor. The mirror should adjust to a high reflectance mode (mirror will be clear). Does the mirror adjust to the high reflectance (clear) mode? Yes : GO to G4 . No : GO to G3.
- G3 VERIFY THAT THE FORWARD- AND REAR-FACING SENSORS ARE NOT BLOCKED Visually verify that the forward- and rear-facing sensors are not blocked. Sources of blockage can include: Stickers, window decals or tags. Fold-down screens for TVs or DVD players. Non-OEM window tinting. Were either of the sensors blocked? Yes : If possible, REMOVE the blockage. TEST the system for normal operation. If the blockage cannot be removed, REVIEW the operation of the auto-dimming interior mirror with the customer. No : GO to G3.
- G4 CHECK THE OPERATION OF THE AUTO-DIMMING MIRROR NIGHT TIME CONDITIONS WITH GLARE Key in ON position. Simulate night time conditions with glare: Cover the forward-facing sensor with black electrical tape or other dark material. Illuminate the rear-facing sensor. The mirror should darken to a lower reflectance mode. Did the mirror darken to a lower reflectance (darker) mode? Yes : GO to G5. No : GO to G7 .
- G5 CHECK THE OPERATION OF THE AUTO-DIMMING MIRROR NIGHT TIME CONDITIONS WITHOUT GLARE Key in ON position. Simulate night time conditions without glare. Cover the forward-facing sensor with black electrical tape or other dark material. Cover the rear-facing sensor. The mirror should adjust to the high reflectance mode. Did the mirror adjust to the high reflectance (clear) mode? Yes : GO to G6. No : GO to G7 .
- G6 CHECK THE OPERATION OF THE AUTO-DIMMING MIRROR - NIGHT TIME CONDITIONS WITH THE VEHICLE IN REVERSE Key in ON position. Simulate night time conditions with glare. Cover the forward-facing sensor with black electrical tape or other dark material. Illuminate the rear-facing sensor. Select REVERSE. Did the mirror adjust to a high reflectance (clear) mode? Yes : The system is operating normally at this time. REVIEW operation of the auto-dimming interior mirror feature with the customer. No : GO to G7.
- G7 CHECK CIRCUIT 1004 (LB/RD) FOR VOLTAGE Disconnect: Interior Mirror C911. Measure the voltage between interior mirror C911-1, circuit 1004 (LB/RD) harness side and ground. Is the voltage greater than 10 volts? Yes : GO to G8. No : REPAIR the circuit. TEST the system for normal operation.
- G8 CHECK CIRCUIT 1203 (BK) FOR AN OPEN Key in OFF position. Measure the resistance between interior mirror C911-2, circuit 1203 (BK) harness side and ground. Is the resistance less than 5 ohms? Yes : GO to G9. No : REPAIR the circuit. TEST the system for normal operation.
- G9 CHECK CIRCUIT 1367 (WH/YE) FOR VOLTAGE Key in ON position. Select REVERSE. Measure the voltage between interior mirror C911-3, circuit 1367 (WH/YE) harness side and ground. Is the voltage greater than 10 volts? Yes : INSTALL a new interior mirror. REFER to «INTERIOR MIRROR»(/ford/five-hundred/i-2004-2007/remont/mirrors/#rear-view-mirror-system) . TEST the system for normal operation. No : REPAIR the circuit. TEST the system for normal operation.
Scheme 54
| Function Selection | Continuity Between Electrical Pins |
|---|---|
| Set | 2 and 4 |
| Memory 1 | 2 and 7 |
| Memory 2 | 2 and 3 |
CONTINUITY BETWEEN ELECTRICAL PINS SPECIFICATION