Gem Parameter Identification (Pid) Reference Chart - Ford Expedition 1998 Workshop Manual

1998 Expedition/Navigator Workshop Manual
B1614 On-Demand Rear wiper mode select switch circuit short to ground.
B1814 Continuous, On- Rear wiper DOWN relay coil open or short to ground.
Demand
B1816 Continuous Rear wiper DOWN relay coil short to power.
B1818 Continuous, On- Rear wiper UP relay coil open or short to ground.
Demand
B1820 Continuous Rear wiper UP relay coil short to power.
B1839 Continuous Rear wiper motor circuit failure. (Relays have no faults and no motor movement
detected.)
B1840 Continuous Front wiper power circuit failure.
C1107 Continuous ABS active fault (ABS event exceeding 2 minutes detected).
P0500 Continuous Vehicle speed signal not detected for 21 ignition START cycles.
P1804 Continuous, On- 4-Wheel drive HI indicator open or short to ground.
Demand
P1806 Continuous, On- 4-Wheel drive HI indicator short to power.
Demand
P1808 Continuous, On- 4-Wheel drive LO indicator open or short to ground.
Demand
P1810 Continuous, On- 4-Wheel drive LO indicator short to power.
Demand
P1812 Continuous, On- 4-Wheel drive mode select switch open or short to power.
Demand
P1815 Continuous, On- 4-Wheel drive mode select switch circuit short to ground.
Demand
B1819 On-Demand Neutral safety switch input short to ground.
P1820 Continuous, On- Transfer case LO to HI shift relay coil open or short to ground.
Demand
P1822 Continuous Transfer case LO to HI shift relay coil short to power.
P1824 Continuous, On- 4-Wheel drive electric clutch relay open or short to ground.
Demand
P1826 Continuous 4-Wheel drive electric clutch relay short to power.
P1828 Continuous, On- Transfer case HI to LO shift relay open or short to ground.
Demand
P1830 Continuous Transfer case HI to LO shift relay short to power.
P1832 Continuous Front axle 4-wheel drive solenoid open or short to ground.
P1834 Continuous, On- Front axle 4-wheel drive solenoid short to power.
Demand
P1836 Continuous Transfer case front shaft speed sensor not detected or not within range.
P1837 Continuous Transfer case rear shaft speed sensor not detected or not within range.
P1838 Continuous Transfer case shift motor fails to move. (Energized relays, motor does not move.)
P1846 Continuous Transfer case contact plate A open circuit.
P1850 Continuous Transfer case contact plate B open circuit.
P1854 Continuous Transfer case contact plate C open circuit.
P1858 Continuous Transfer case contact plate D open circuit.
P1866 Continuous Transfer case system concern, contact plate failure.
P1867 Continuous Transfer case contact plate open or short to ground.
P1868 Continuous, On- Automatic 4-wheel drive indicator circuit open or short to ground.
Demand
P1869 Continuous, On- Automatic 4-wheel drive indicator circuit short to power.
Demand
P1874 On-Demand Hall effect sensor power short to ground.
P1875 On-Demand Hall effect sensor power short to power.
P1876 Continuous, On- Transfer case 2-wheel drive solenoid open or short to ground.
Demand
P1877 Continuous, On- Transfer case 2-wheel drive solenoid short to power.
Demand
P1886 Continuous 4x4 initialization failure (front driveline did not synchronize to rear).
P1891 Continuous, On- Transfer case contact plate ground return open circuit.
Demand

GEM Parameter Identification (PID) Reference Chart

GEM Parameter Identification (PID) Reference Chart
PID Circuit
BATSAV Fuse Junction Panel (Internal)
BOO_GEM 210 (LB)
CLTCHSW —
DRAJAR 433 (DG/O)
D_DR_SW 344 (BK/Y)
D_SBELT 85 (BR/LB)
HALLPWR 774 (LG)
ILLE_SW 1013 (BR/LG)
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSWJ/~MUS~LEN/21/...
Circuit Description
Battery Saver Relay Circuit
Brake Pedal Position (BPP) Switch Input
Clutch Pedal Position Switch
Door Ajar Indicator Circuit
LH Door Open Warning Lamp Switch
LH Safety Belt
Hall Effect Speed Sensor Power
Illuminated Entry Input (From RAP Module)
REFER to Section 501-16.
REFER to Section 501-16.
REFER to Section 501-16.
REFER to Section 501-16.
REFER to Section 501-16.
REFER to Section 501-16.
REFER to Section 501-16.
GO to Pinpoint Test A.
REFER to Section 310-03. REFER to Symptom Chart for customer
concern.
REFER to Section 413-01.
REFER to Section 413-01.
REFER to Section 413-01.
REFER to Section 413-01.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
GO to Pinpoint Test B.
GO to Pinpoint Test A.
GO to Pinpoint Test A.
GO to Pinpoint Test B.
GO to Pinpoint Test B.
GO to Pinpoint Test D.
GO to Pinpoint Test D.
GO to Pinpoint Test A.
GO to Pinpoint Test A.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Symptom Chart for customer concern.
REFER to Section 413-01.
REFER to Section 413-01.
GO to Pinpoint Test A.
REFER to Symptom Chart for customer concern.
GO to Pinpoint Test D.
GO to Pinpoint Test D.
GO to Pinpoint Test A.
REFER to Symptom Chart for customer concern.
Expected Values
ON---, OFF---, ON-B-, OFFO-G
ON, OFF
ENGAGD, notEGD
ON ---, OFF ---, ON-B-, OFFO-G
AJAR, CLOSED
ON, OFF
ON---, OFF---, ON-B-, OFFO-G
ON, OFF
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8/30/2010