Insufficient manifold
vacuum change detected
during Dynamic Response
portion of Engine Run Self-
Test.
or,
Problem with Message
Center Control Assembly
(MCCA) – failure in Data
Communications Link
(DCL).
or,
Power interrupt detected.
Insufficient throttle position
change detected during
Dynamic Response portion
of Engine Run Self-Test.
Brake ON/OFF (BOO)
switch action not detected
during Dynamic Response
portion
of Engine Run Self-Test.
Brake ON/OFF (BOO)
switch always closed
circuit.
Insufficient Vane Air Flow
(VAF) sensor change
detected during Dynamic
Response portion of Engine
Run Self-Test.
Operator error during
Dynamic Response portion
of Engine Run Self-Test.
Power interrupt detected.
or,
Flexible fuel sensor circuit
failure.
Air Conditioner (A/C) on
during Self-Test.
Thermactor Air Diverter
(TAD or AM-2) solenoid:
circuit failure.
or,
Electro-Drive Fan: circuit
failure.
or,
Intake Air Control (IAC)
valve: circuit failure.
or,
Boost solenoid – circuit
failure.
Thermactor Air Bypass
(TAB or AM-1) solenoid:
circuit failure.
or,
Electro-Drive Fan: circuit
failure.
or,
Supercharger Bypass
Solenoid (SBS): circuit
failure.
High Speed Electro-Drive
Fan (HEDF) – circuit failure.
or,
EGR Control (EGR-C)
solenoid–open circuit failure.
or,
Low speed fuel pump relay –
open circuit failure.
EGR Vacuum (EGR-V)
solenoid – circuit failure.
or,
EGR Vacuum Regulator
(EVR) solenoid–circuit failure.
or,
EGR Shut-Off (EGR S/O)
solenoid – circuit failure.
Cannister Purge (CANP)
solenoid – circuit failure.
or,
Transaxle problem – 3/4 shift
solenoid circuit failure.
or,
Electronic Control Assembly
(ECA) status – adaptive
"lean" limit reached in fuel
control program.
Transaxle problem – 3/4 shift
solenoid circuit failure.
or,
Electronic Control Assembly
(ECA) status – adaptive
"rich" limit reached in fuel
control program.
or,
Wide-open-throttle Air
conditioner Clutch (WAC)
solenoid – circuit failure.
Fuel Pump (FP) relay –
circuit failure.
Electro-Drive Fan (EDF)
relay – circuit failure.
or,
Converter Clutch Override
(CCO) solenoid – circuit
failure.
or,
Distributorless Ignition
System (DIS) problems –
loss of dual plug control.
or,
Throttle Kicker (TK) solenoid
– circuit failure.
Lock-Up Solenoid (LUS) –
circuit failure.
or,
Converter Clutch Override
(CCO) solenoid – circuit
failure.
or,
25
Exhaust Heat Control
(EHC) solenoid – circuit
failure.
Exhaust Gas Oxygen (EGO)
sensor – signal voltage
always indicates "lean"
either during Engine Run
Self-Test ("rich" air/fuel
conditions) or normal
engine operating
conditions.
or,
Transaxle problem – Shift
Solenoid 1 (SS1) circuit
failure.
Right side Exhaust Gas
Oxygen (EGO) sensor –
signal voltage always
indicates "rich" during
Engine Run Self-Test
("lean" air/fuel conditions).
or,
Transaxle problem – Shift
Solenoid 2 (SS2) circuit
failure.
Throttle Position (TP)
sensor – signal voltage too
low during Self-Test (at
maximum extension of idle
speed control motor).
or,
Right side Exhaust Gas
Oxygen (EGO) sensor –
cool down occurred.
or,
Transaxle problem – Coast
Clutch Solenoid (CCS)
circuit failure.
Thermactor Air System –
problem on the right bank
(passenger side).
or,
Transaxle problem – Shift
Solenoid 1 (SS1) circuit
failure.
Thermactor Air System
problem – right (passenger)
side air flow always
upstream.
or,
Fuel Pump Monitor (FPM)
signal – indicates circuit
problem.
Thermactor Air System
problem – right (passenger)
side air flow will not bypass.
or,
Fuel Pump (FP) circuit
failure.
or,
High speed fuel pump relay
circuit failure.