1986 EEC-lV Service Codes

 

 

 

 

 

 

 

11 SYSTEM "PASS"

12 RPM OUT OF SPEC (EXTENDED IDLE)

13 RPM OUT OF SPEC (NORMAL IDLE)

14 PIP ERRATIC

15 ROM TEST FAILED/KAM IN CONTINUOUS

16 RPM TOO LOW (FUEL LEAN TEST)

17 RPM TOO LOW (FUEL RICH TEST)

18 NO TACH (IDM)

19 VPWR TEST FAILED

21 ECT OUT OF RANGE

22 MAP OUT OF RANGE (BP OUT OF RANGE 2.3L)

23 TPS OUT OF RANGE

24 ACT (VAT) OUT OF RANGE

25 KNOCK NOT SENSED IN TEST

26 MAP (VAF) OUT OF RANGE

27 VSC SERVO LEAKS DOWN

28 VSC SERVO LEAKS UP

29 AXOD VES FAILED

31 *EPT SENSOR INPUT LOW (3.0L EFI) (2.9L EFI)

31 *EVP INPUT TOO LOW (2.3L HSC, CFI) (2.5L HSC, CFI)

(5.0L SEFI)

31 EVP OUT OF LIMITS (1.8L EFI) (2.3L EFI T/C) (3.4L CFI)

(2.3L EFI) (5.0L EFI)

32 *EPT SENSOR EXCEEDS LOW LIMIT '(2.9L EFl) (3.OL EFl)

32 *EVP OUT OF LIMITS '(2.3L HSC. CFl) (2.5L HSC. CFl)

(5.OL SEFl)

32 *EGR NOT CONTROLLING (1.8L EFI) (2.3L EFI T/C) (3.4L CFl)

(2.3L EFl) (5.OL EFI)

33 *NO EGR FLOW '(3.OL EFl) (2.9L EFl)

33 *NO EGR FLOW '(2.3L HSC, CFl) (2.5L HSC, CFl) (5.0L SEFl)

33 *EVP NOT CLOSING PROPERLY '(l.8L EFl) (2.3L EFI T/C)

(3.4L CFl) (2.3L EFl) (5.OL EFl)

34 *EPT TOO HIGH (3.OL EFl) (2.9L EFl)

34 *EGR VALVE OUT OF LIMITS '(2.3L HSC, CFl)

(2.5L HSC, CFl) (5.OL SEFl)

34 *NO EGR FLOW '(l.8L EFl) (2.3L EFI T/C) (3.4L CFl)

(2.3L EFl) (5.0L EFl)

34 *EPT TOO HIGH (

35 *EPT ABOVE MAXIMUM '(3.OL EFl) (2.8L EFI)

35 *EVP INPUT TOO HIGH '(2.3L HSC, CFl) (2.5L HSC, CFl)

(5.0L SEFl)

35 *RPM TOO LOW (EGR TEST) '(l.8L EFl) (2.3L EFI T/C)

(3.4L CFl) (2.3L EFl) (5.0L EFl)

36 VSC DYNAMIC TEST - NO RPM INCREASE

37 VSC DYNAMIC TEST - NO RPM DECREASE

39 LUS NOT FUNCTIONING

41 FUEL LEAN

42 FUEL RICH

43 EGO COOLDOWN OCCURRED

44 2nd AIR INOPERATIVE

45 2nd AIR ALWAYS UPSTREAM

46 2nd AIR NOT ALWAYS BYPASSED

47 SCCS SWITCH BUTTON(S) NOT FUNCTIONAL

48 SCCS SWITCH BUTTON(S) - STUCK

49 SCCS SWITCH BUTTON(S) - SIGNAL RETURN OPEN

51 ECT VOLTAGE HIGH

52 PSPS OPEN

53 TPS VOLTAGE HIGH

54 ACT/VATT VOLTAGE HIGH

55 KEYPWR CIRCUIT OPEN (CFl)

56 VAF VOLTAGE HIGH

57 NPS FAILED IN NEUTRAL

58 ITS CLOSED (ENGINE RUN)

59 4/3 SWITCH FAILED OPEN

61 ECT VOLTAGE LOW

62 3/2 OR 4/3 SWITCH FAILED CLOSED

63 TPS VOLTAGE LOW

64 ACT/VAC VOLTAGE LOW

66 VAF VOLTAGE LOW

67 NDS = DRIVE OR ACC = ON (ENGINE OFF)

68 ITS OPEN (ENGINE OFF)

69 3/2 SWITCH FAILED OPEN

72 NO MAP CHANGE IN "GOOSE" TEST

73 NO TPS CHANGE IN "GOOSE" TEST

74 BRAKE ON/OFF SWITCH ALWAYS CLOSED OR

NOT ACTUATED DURING TEST

75 BRAKE ON/OFF SWITCH ALWAYS CLOSED

76 NO VAF CHANGE IN "GOOSE" TEST

77 OPERATOR DID NOT DO "GOOSE" TEST

78 POWER RELAY INTERRUPT

81 *AM2 OPEN CIRCUIT SHORTED DRIVER (2.3L EFI T/C)

(3.0L EFl) (5.0L SEFl) (2.9L EFl) (5.0L EFI)

81 *SCVNT OPEN CIRCUIT SHORTED DRIVER

(2.5L HSC, CFl) (3.0L EFl)

82 *AMI OPEN CIRCUIT SHORTED DRIVER (2.3L EFI T/C)

(3.0l EFI) (5.0 SEFI) (2.9L EFI) (5.0l EFI)

82 *SCVAC OPEN CIRCUIT SHORTED DRIVER (2.5L HSC, CFl)

(3.0L EFl)

83 *EGRC OPEN CIRCUlT SHORTED DRIVER (3.8L CFl)

2.3L EFl) (5.0L EFl)

83 *RDEF OPEN CIRCUIT SHORTED DRIVER (2.5L HSC, CFl)

(3.0L EFl)

84 *EGRV OPEN CIRCUIT SHORTED DRIVER (3.8L CFl)

(2.3L EFl) (5.0L EFl)

84 *EVR OPEN CIRCUIT SHORTED DRIVER (2.3L HSC, CFl)

(2.5L HSC, CFl) (3.0L CFl) (5.0L SEFl) (2.9L EFl)

85 CANP OPEN CIRCUIT SHORTED DRIVER

86 WAC OPEN CIRCUIT SHORTED DRIVER

87 FP OPEN CIRCUIT SHORTED DRIVER

88 EDF OPEN CIRCUIT SHORTED DRIVER

89 *EHC OPEN CIRCUIT SHORTED DRIVER (3.1 EFI) (5.0L EFI)

89 *CCO OPEN CIRCUIT SHORTED DRIVER (2.3L HSC, CFI)

(5.0l SEFI) (2.3l EFI) (2.9L EFI)

89 *LUS OPEN CIRCUIT SHORTED DRIVER (2.3L HSC, CFI)

(3.0l EFI)

91 RIGHT EGO LEAN

92 RIGHT EGO RICH

93 EIGHT EGO COOLDOWN OCCURRED

94 RIGHT 2nd AIR INOPERATIVE

95 RIGHT 2nd AIR ALWAYS UPSTREAM

96 RIGHT 2nd AIR NOT ALWAYS BYPASSED

97 RPM DROP (WITH FUEL LEAN) BUT NOT EGO RICH

98 FMEM HARD FAULT PRESENT

99 ISC NOT LEARNED (IGNORE CODES 12 & 13)

 

* Code description depends on which engine is installed. Refer to engine emissions diagnosis documentation.

 

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