Retrieving codes – Equus 3145 - Digital Ford Code Reader (1981 - 1995) User Manual
Page 53

Retrieving Codes
FAULT CODE DEFINITIONS FOR EEC-IV SYSTEMS (42 - 55)
Chapter 4
50
TEST
CODE
CONDITION
FAULT CODE DEFINITION
42
C
No O2S switching detected
43
C
(Cars ONLY): Lean HEGO (HO2S) at wide
open throttle
43
R, C
(Trucks ONLY): Throttle position sensor
below idle spec (Diesel)
44
R
Thermactor air system fault
45
R
Thermactor air upstream
45
C
DIS coil pack circuit failure
46
R
Thermactor air is not bypassed
46
C
(Cars ONLY): DIS coil pack circuit failure
47
O
4 x 4 switch closed (E4OD)
47
R
(Cars ONLY): Vane air flow low at idle
47
C
Spark timing error
48
R
(Cars ONLY): Vane Air flow high at idle
48
C
(Cars ONLY): DIS coil pack circuit failure
/ left side
48
C
Loss of ignition diagnostic monitor LH side
48
C
Coil #3 circuit failure
49
C
(Cars ONLY): SPOUT signal problem
49
C
(Trucks ONLY): 1-2 shift error
51
O, C
ECT sensor out of range indicated / circuit
open
52
O
(Cars ONLY): PSPS (PSP) circuit open
52
R
(Cars ONLY): PSPS (PSP) circuit out of
range
52
O, R
(Trucks ONLY): Power steering pressure
switch open
53
O, C
Throttle Position sensor above maximum
voltage
53
C, O
Fuel injector pump lever sensor input is
greater than self test
54
O, C
Intake Air charge temperature sensor
circuit open; vane air flow sensor out of
range
55
R
(Cars ONLY): Open connection in ignition
key circuit
4