A24 Monitor The Pid 4Wdclst — Rear Wheels Breaking Traction; A25 Monitor The Pid 4Wdclst For On--- Response; A26 Check Circuit 976 (O) For Short To Power - Ford Expedition 1998 Workshop Manual
Transfer case
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Also See for Expedition 1998:
- Owner's manual (217 pages) ,
- Workshop manual (25 pages) ,
- Owner's manual (216 pages)
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1998 Expedition/Navigator Workshop Manual
A24 MONITOR THE PID 4WDCLST — REAR WHEELS BREAKING TRACTION
A25 MONITOR THE PID 4WDCLST FOR ON--- RESPONSE
GEM C241
A26 CHECK CIRCUIT 976 (O) FOR SHORT TO POWER
A4WD Clutch Relay C293
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSWJ/~MUS~LEN/21/...
No
GO to
A2
and verify all other DTCs are repaired.
Monitor the PID 4WDCLST.
Verify the vehicle is in A4WD mode.
Position the rear wheels on a loose or slippery surface. Accelerate briefly to get the rear wheels to break traction.
Does the A4WD lamp begin to flash and the PID 4WDCLST indicate OFF?
Yes
GO to A25.
No
CHECK transfer case assembly C201 for intermittent short.
Place the mode switch in the A4WD position.
Monitor the PID 4WDCLST.
Does the PID 4WDCLST indicate OFFO-G?
Yes
GO to A26.
No
If the PID 4WDCLST indicates ON---, REPLACE the GEM; REFER to
the system for normal operation.
Measure the voltage between A4WD clutch relay C293-D, circuit 976 (O), and ground.
Page 15 of 64
Section
419-10. CLEAR the DTCs. TEST
8/30/2010
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