Retrieving codes – Equus 3145 - Digital Ford Code Reader (1981 - 1995) User Manual
Page 67
Retrieving Codes
FAULT CODE DEFINITIONS FOR EEC-IV SYSTEMS (632 - 655)
Chapter 4
64
TEST
CODE
CONDITION
FAULT CODE DEFINITION
632
R
Overdrive Transmission Cancel Switch/ no
action during self engine run test
633
O
4 x 4 switch is closed
634
C
Manual Lever Position sensor voltage
higher or lower than expected or A/C on
636
O, R
Transmission Oil Temperature higher or
lower than expected
637
O, C
Transmission Oil Temperature circuit
above maximum voltage
638
O, C
Transmission Oil Temperature circuit
below minimum voltage
639
R, C
Insufficient input from transmission speed
sensor
641
O
(Cars ONLY): Shift Solenoid #3 circuit
fault
643
O, C
(Cars ONLY): Converter Clutch Control
(CCC) circuit failure
645
C
(Cars ONLY): Incorrect gear ratio-first
gear
646
C
(Cars ONLY): Incorrect gear ratio-second
gear
647
C
(Cars ONLY): Incorrect gear ratio-third
gear
648
C
(Cars ONLY): Incorrect gear ratio-fourth
gear
649
C
(Cars ONLY): Electronic Pressure Control
Circuit solenoid higher or lower than
expected
651
C
(Cars ONLY): Electronic Pressure Control
circuit solenoid failure
652
O
(Cars ONLY): Modulated Lock-Up Torque
Converter Clutch Solenoid circuit fault
652
C
Transmission over temp condition
654
O
Not in "park" during KOEO Self-test
655
C
(Trucks ONLY): Manual Lever Position
(MLP) sensor indicating not in NEUTRAL
during Self-Test
4