4X4 Mode Switch C225
GEM C221
Measure the resistance between mode switch C225-2, circuit 359 (GY/R), and GEM C221-21, circuit 359 (GY/R).
Is the resistance less than 5 ohms?
Yes
GO to
A15
.
No
REPAIR circuit 359 (GY/R). CLEAR the DTCs. TEST the system for normal operation.
A15
CHECK CIRCUIT 359 (GY/R) FOR SHORT TO POWER
Measure the voltage between mode switch C225-2, circuit 359 (GY/R), and ground.
Is any voltage indicated?
Yes
REPAIR circuit 359 (GY/R). CLEAR the DTCs. TEST the system for normal operation.
No
REPLACE the GEM; REFER to
Section 419-10
. CLEAR the DTCs. TEST the system for normal operation.
A16
CHECK THE FRONT DRIVESHAFT ENGAGEMENT
Engage 4X4 HIGH and drive a short distance.
Raise and support the vehicle; refer to
Section 100-02
.
NOTE:
The front and rear driveshafts should both spin.
Observe the front and rear driveshafts.
Does the transfer case lock the front driveshaft to the rear driveshaft?
Yes
GO to
A17
.
No
GO to
A41
.
If 4WD engagement is prolonged, harsh or noisy, GO to
A18
.
A17
CHECK THE FRONT DRIVESHAFT DISENGAGEMENT
Page 12 of 62
2000 Ranger Workshop Manual
1/18/2012
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/...