Section 08 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (DIAGNOSTIC PROCEDURES)
RESPONSIBLE MODULE
FAULT
CODE
INFORMATION
CENTER
MPEM ECM
BEEPER
CODE
WARNING
LIGHT
MESSAGE
DISPLAYED
(info ctr)
FAULT
DETECTED
WHILE ENGINE
NOT RUNNING
FAULT
DETECTED
WHILE ENGINE
RUNNING
LIMP
HOME
MODE
NORMAL
OPERATION
RESUME
WHEN...
P0339 — —
Crank signal fault
not plausible with
cam signal
15 Flash
CHK
ENG
— — — —
Possible cause:
Damaged sensor, damaged circuit wires, damaged connector, damaged ECM pins or damaged tooth wheel.
Service action:
For the CPS, check for 190 to 290 ohms between terminals A-5 and A-19 of ECM connector.
For the CAPS, check for 12 volts on sensor connector pin 3.
Check continuity for circuits A-20, A-34 and terminal 4 on engine connector.
P0344 — —
Cam phase sensor
signal missing
15 Flash
CHK
ENG
N Y N
Engine is
stopped
Possible cause:
Damaged sensor, damaged circuit wires, damaged connector, damaged ECM pins or damaged tooth wheel.
Service action:
For the CPS, check for 190 to 290 ohms between terminals A-5 and A-19 of ECM connector.
For the CAPS, check for 12 volts on sensor connector pin 3.
Check continuity for circuits A-20, A-34 and terminal 4 on engine connector.
P0351 — —
Ignition coil #1
open circuit or
shorted to ground
or to 12 V
15 Flash
CHK
ENG
N Y 5000
Engine is
stopped
Possible cause:
Damaged coil, damaged circuit wires, damaged connector or damaged ECM output pins.
Service action:
Check for 0.85 to 1.15 ohms between engine connector pin 1 and ECM connector pin A-41.
Check for 12 volts on pin 2 of coil connector.
P0352 — —
Ignition coil #2
open circuit or
shorted to ground
or to 12 V
15 Flash
CHK
ENG
N Y 5000
Engine is
stopped
Possible cause:
Damaged coil, damaged circuit wires, damaged connector or damaged ECM output pins.
Service action:
Check for 0.85 to 1.15 ohms between engine connector pin 2 and ECM connector pin A-1.
Check for 12 volts on pin 2 of coil connector.
P0353 — —
Ignition coil #3
open circuit or
shorted to ground
or to 12 V
15 Flash
CHK
ENG
N Y 5000
Engine is
stopped
Possible cause:
Damaged coil, damaged circuit wires, damaged connector or damaged ECM output pins.
Service action:
Check for 0.85 to 1.15 ohms between engine connector pin 3 and ECM connector pin A-29.
Check for 12 volts on pin 2 of coil connector.
smr2004-Complete Line Up 453
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