|
Code
|
|
Explanation
|
|
Code
|
|
Explanation
|
|
11
|
O/R/C
|
System pass
|
|
52
|
O
|
PSPS circuit open
|
|
12
|
R
|
RPM unable to reach upper test limit
|
|
52
|
R
|
PSPS always open or always closed
|
|
13
|
R
|
RPM unable to reach lower test limit
|
|
53
|
O/C
|
TP sensor input exceeds test maximum
|
|
14
|
C
|
PIP circuit failure
|
|
54
|
O/C
|
ACT sensor input exceeds test maximum
|
|
15
|
O
|
ROM test failure
|
|
56
|
O/C
|
MAF sensor input exceeds test maximum
|
|
15
|
C
|
Power interrupted to keep alive me
|
|
61
|
O/C
|
ECT test sensor input below test minimum
|
|
18
|
C
|
Loss of tach input to ECU, spout grounded
|
|
63
|
O/C
|
TP sensor below test minimum
|
|
18
|
R
|
Spout circuit open
|
|
64
|
O/C
|
ACT sensor input below test minimum
|
|
19
|
C
|
CID sensor input failed
|
|
66
|
C
|
MAF sensor input below test minimum
|
|
21
|
O/R
|
ECT sensor input out of test range
|
|
67
|
O
|
Neutral drive switch open. A/C input high
|
|
22
|
O/R/C
|
BP sensor input out of test range
|
|
67
|
C
|
Clutch switch circuit failure
|
|
23
|
O/R
|
TP sensor input out of test range
|
|
72
|
R
|
Insufficient BP change during test
|
|
24
|
O/R
|
ACT sensor input out of test range
|
|
73
|
R
|
Insufficient TP output change during test
|
|
25
|
R
|
KS sensor not detected during test
|
|
74
|
R
|
Brake on/off circuit open, not on during test
|
|
26
|
O/R
|
MAF sensor input out of self-test range
|
|
77
|
R
|
Wide open throttle not sensed during test
|
|
29
|
C
|
Insufficent input from vehicle speed sensor
|
|
79
|
O
|
A/C on during self-test
|
|
31
|
O/R/C
|
PFE circuit below minimum voltage
|
|
82
|
O
|
Supercharger bypass circuit failure
|
|
32
|
R/C
|
EGR valve not seated
|
|
83
|
O
|
High speed electro drive fan circuit failure
|
|
33
|
R/C
|
EGR valve not opening
|
|
84
|
O
|
EGR VAC regulator circuit failure
|
|
34
|
O
|
Defective PFE sensor
|
|
85
|
O
|
Canister purge circuit failure
|
|
34
|
R/C
|
Excess exhaust back pressure
|
|
87
|
O/C
|
Fuel pump primary circuit failure
|
|
35
|
O/R/C
|
PFE circuit above maximum voltage
|
|
88
|
O
|
Electro drive fan circuit failure
|
|
41
|
R
|
EGO/HEGO circuit shows system lean (right side HEGO)
|
|
91
|
R
|
HEGO sensor circuit shows system lean (left side HEGO)
|
|
41
|
C
|
No EGO/HEGO switching detected, system lean (right side
HEGO)
|
|
91
|
C
|
No HEGO switching sensed (left side HEGO)
|
|
42
|
R
|
EGO/HEGO shows system rich (righ side HEGO)
|
|
92
|
R
|
HEGO sensor circuit shows system rich (left side HEGO)
|
|
45
|
C
|
DIS coil Pack 3 circuit failure
|
|
96
|
O/C
|
Fuel pump secondary circuit failure
|
|
46
|
C
|
DIS coil Pack 1 circuit failure
|
|
98
|
R
|
Hard fault is present
|
|
48
|
C
|
DIS coil Pack 2 circuit failure
|
|
No Code
|
|
Unable to run self-test or output codes 1
|
|
49
|
C
|
Spout signal defaulted to 10 degrees BTDC
|
|
Code not listed
|
|
Does not apply to vehicle being tested 1
|
|
51
|
O/C
|
EGT sensor input exceeds test maximum
|
|
|
|
O-Key On, Engine Off
R-Engine Running
C-Continuous Memory
1-Refer to system diagnostics
|
Glossary of Terms
|
PIP
|
Profile Ignition Pickup
|
Provides crankshaft or camshaft position information
for ignition synchronization
|
|
ECU
|
Powertrain Control Module
|
The module that controls the EEC system
|
|
CID
|
Cylinder Identification
|
Hall sensor or dual hall sensor, Indicates camshaft position
|
|
ECT
|
Engine Coolant Temperature
|
The tempture of the engine coolant
|
|
BP
|
Barrometric Pressure(BARO)
|
The pressure of the surrounding air at any given temperature
and altitude
|
|
TP
|
Throttle Position
|
Indicates the position of the throttle plate
|
|
ACT
|
Intake Air Tempture
|
The temperature of the intake air
|
|
KS
|
Knock Sensor
|
Detects engine knock
|
|
MAF
|
Mass Air Flow
|
A system which provides information on the mass flow
rate of the intake air to the engine
|
|
PFE
|
Pressure Feedback EGR
|
An EGR system that monitors EGR pressure across a remote
orifice to control EGR flow
|
|
EGR
|
Exhaust Gas Recirculation
|
Reducing NOx emissions levels by adding exhaust gas to
the incoming air/fuel mixture
|
|
EGO
|
Oxygen Sensor (O2s)
|
A sensor which detects oxygen (O2) content in the exhaust
gases
|
|
HEGO
|
Heated Oxygen Sensor(HO2s)
|
An oxygen sensor (O2s) that is electrically heated
|
|
DIS
|
Distributorless Ignition System
|
A system in which the ignition coil secondary circuit
is dedicated to specific spark plugs without the use of a distributor
|
|
EGT
|
Exhaust Gas Tempture
|
A sensor which detects exhaust gas temptures
|
|
PSPS
|
Power Steering Pressure
|
Indicates the pressure in the power steering system
|
|
BTDC
|
Before Top Dead Center
|
A setting in degrees before the point in which the piston
reaches the top of its travel on the compression stroke
|