You can do it, Read diagnostic trouble codes, Locate problem areas – Equus 3173 - Import Code Reader User Manual
Page 3: Check engine, Follow the step-by-step instructions
You Can Do It!
ii
1
Look up the Code Retrieval information for
your vehicle
•
Follow the step-by-step instructions.
2
Read Diagnostic Trouble
Codes
•
The codes are displayed by
either the “Check Engine” light
or at the vehicles computer.
3
Locate Problem Areas
•
Look up fault code descriptions
in the Fault Code Definition
list.
CHECK ENGINE
111)
Possib
le Cause
right side
Open or shorted signal circuit,
high O2 signal
Open signal in trans
. Control unit
lts / no malfunctions
6 cylinder misfire
W
iring
, fuel or ignition system,
ECM
No
. 5 cylinder misfire
W
iring
, fuel or ignition system,
ECM
65
No
. 4 cylinder misfire
W
iring
, fuel or ignition system,
ECM
66
No
. 3 cylinder misfire
W
iring
, fuel or ignition system,
ECM
67
No
. 2 cylinder misfire
W
iring
, fuel or ignition system,
ECM
68
No
. 1 cylinder misfire
W
iring
, fuel or ignition system,
ECM
71
Random misfire
W
iring
, fuel or ignition system,
ECM
72
TWC function RH bank
Catalytic converter
, wiring
, ECM
73
TWC function LH bank
Catalytic converter
, wiring
, ECM
76
Fuel injection system function RH
W
iring
, injector
, oxygen sensor
bank
77
Rear HO2S circuit
W
iring
, injector
, oxygen sens
or
82
CKP sensor
W
iring
, CKP sensor
, EC
M
84
A/T diagnosis communication line
W
iring
, ECM
85
CMP actuator - circuit malfunction
W
iring
, CMP sens
or
86
Fuel injection system function LH
W
iring
, oxygen
s
bank
87
Canister control solenoid valve
W
iring
, EV
circuit
91
Front HO2S heater circuit RH bank
W
iri
94
TCC solenoid valve
W
CKP sensor
EC
T sensor
t HO2S heater circu
it
ns
or circuit
r circ
ui