Table of Contents
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CONTENTS
SAFETY CONSIDERATIONS ..............................................................A-2
1.1 PHYSICAL ...............................................................................1-2
1.2 ELECTRICAL............................................................................1-3
2.1 COMPONENT DESCRIPTION .....................................................2-1
2.2 NORMAL OPERATING SEQUENCE..............................................2-4
3.1 SYSTEM AND COMPONENT DIAGNOSTICS.................................3-2
3.1.1
START Diagnostic Code................................................3-3
3.1.2
FLAME OUT Diagnostic Code ......................................3-24
3.1.3
COOLANT FLOW Diagnostic Code ................................3-25
3.1.4
OVERHEAT Diagnostic Code........................................3-27
3.1.5
VOLTAGE Diagnostic Code..........................................3-27
3.1.6
FLAME FAULT Diagnostic Code ...................................3-29
3.1.7
TEMPERATURE SENSOR T1 Diagnostic Code ...............3-29
3.1.8
FUEL SHUT-OFF VALVE Diagnostic Code.......................3-31
3.1.9
TEMPERATURE SENSOR T2 Diagnostic Code ...............3-32
3.1.10 IGNITION MODULE Diagnostic Code ............................3-32
3.1.11 COOLANT PUMP Diagnostic Code................................3-33
3.1.12 MOTOR Diagnostic Code ............................................3-34
3.1.13 AUXILIARY OUTPUT Diagnostic Code ...........................3-35
3.1.14 SWITCH/TIMER POWER Diagnostic Code .....................3-36
3.2 COMPONENT MECHANICAL OR ELECTRICAL PROBLEMS...........3-37
3.2.1
Fuel Nozzle ...............................................................3-37
3.2.2
Fuel Shut-off Valve .....................................................3-37
3.2.3
Fuel Regulator ...........................................................3-37
3.2.4
Air Compressor..........................................................3-37
3.2.5
Fuel Supply Pump ......................................................3-37
3.2.6
Ignition Electrodes .....................................................3-37
3.2.7
PCM Fuse .................................................................3-37
3.3 OPERATIONAL PROBLEMS......................................................3-40
...........................................................................4-1
...................................................1-1
....................................................2-1
............................................3-1
..............................................................5-1
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