28
216
Ignition system (distributor-
less) problem – Coil #2
primary side circuit failure.
217
Ignition system (distributor-
less) problem – Coil #3
primary side circuit failure.
218
Ignition system (distributor-
less) problem – Loss of left
side Ignition Diagnostic
Monitor (IDM) signal.
219
Ignition system problem –
Spark Output (SPOUT)
signal open circuit (no
spark advance timing).
221
Distributorless Ignition
System (DIS) problem –
Spark timing error.
222
Distributorless Ignition
System (DIS) problem –
Loss of right side Ignition
Diagnostic Monitor (IDM)
signal.
223
Distributorless Ignition
System (DIS) problem –
Loss of Dual Plug Inhibit
(DPI) control.
224
Distributorless Ignition
System (DIS) problem –
Primary circuit failure in
Coil #1, 2, 3 or 4.
225
Knock Sensor (KS) signal
not detected during
Dynamic Response Test
(Engine Run Self-Test).
226
Electronic Distributorless
Ignition System (EDIS)
problem – Ignition
Diagnostic Monitor (IDM)
signal not received.
227
Electronic Distributorless
Ignition System (EDIS)
problem – Crankshaft
Position Sensor (CPS)
error.
232
Electronic Distributorless
Ignition System (EDIS)
problem – Coil #1, 2, 3 or 4
circuit failure.
233
Electronic Distributorless
Ignition System (EDIS)
problem – Spark Advance
Word (SAW) signal error.
238
Ignition system
(distributorless) problem –
Coil #4 primary side circuit
failure.
239
Electronic Distributorless
Ignition System (EDIS)
problem – Crankshaft
Position Sensor (CPS)
signal received with engine
off.
241
Ignition Diagnostic Monitor
(IDM) signal problem –
pulsewidth error between
Electronic Distributorless
Ignition System (EDIS) and
Electronic Control
Assembly (ECA).
242
Distributorless Ignition
System (DIS) problem –
operating in failure mode.
243
Electronic Distributorless
Ignition System (EDIS)
problem – Secondary
circuit failure in Coil #1, 2, 3
or 4.
244
Cylinder Identification (CID)
circuit failure during
Cylinder Balance Test.
311
Thermactor Air System
problem – no operation
during Engine Run Self-
Test (Bank #1).
312
Thermactor Air System
problem – air flow
misdirected during Engine
Run Self-Test.
313
Thermactor Air System
problem – air flow not
bypassed (vented to
atmosphere) during Engine
Run Self-Test.
314
Thermactor Air System
inoperative during Engine
Run Self-Test (Bank #2
with dual oxygen sensors).
315
Thermactor Air System
problem – inadequate air
flow during cold start.
316
Thermactor Air System
problem – inadequate air
flow during hot engine low
RPM.
317
Thermactor Air System
problem – air flow not
bypassed (vented to
atmosphere) during Engine
Run Self-Test.
318
Engine Air Management
(EAM) System problem –
monitor circuit signal
voltage is high when
commanded off.
319
Engine Air Management
(EAM) System problem –
monitor circuit signal
voltage is low when
commanded on.
326
Pressure Feedback EGR
(PFE) sensor or EGR
Pressure Transducer (EPT)
– signal voltage lower than
expected.
327
EGR Valve Position (EVP)
sensor, Pressure Feedback
EGR (PFE) sensor or EGR
Pressure Transducer (EPT)
– signal voltage too low.
328
EGR Valve Position (EVP)
sensor – signal voltage
lower than expected
(closed valve position).
332
Insufficient EGR flow
detected.
334
EGR Valve Position (EVP)
sensor – signal voltage
higher than expected
(closed valve position).
335
Pressure Feedback EGR
(PFE) sensor or EGR
Pressure Transducer (EPT)
– signal voltage higher or
lower than expected (Key
On Engine Off Self-Test).
336
Pressure Feedback EGR
(PFE) sensor or EGR
Pressure Transducer (EPT)
– signal voltage higher than
expected (exhaust pressure
high).
337
EGR Valve Position (EVP)
sensor, Pressure Feedback
EGR (PFE) sensor or EGR
Pressure Transducer (EPT)
– signal voltage too high.
338
Engine Coolant
Temperature (ECT) sensor
– signal voltage lower than
expected.
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