1986 EEC-lV
Service Codes
11
12 RPM OUT OF SPEC (EXTENDED IDLE)
13 RPM OUT OF SPEC (
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
96 RIGHT 2nd AIR NOT
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.