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

Page 53

Advertising
background image

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

Advertising