Pontiac Fiero 1988 Service Manual page 649

6E3-C-1 DRIVEABILITY A M D EMISSIONS - FUEL INJECTION (PORT)
SECTION C
COMPONENT SYSTEMS
Section C provides i n f o r m a t i o n on t h e f o l l o w i n g :
• General description of components
and systems.
• On-vehicle service.
• Part names and g r o u p numbers.
• Diagnostic charts. These include a functional check of t h e system as well as diagnosis of any p r o b l e m
f o u n d in t h e functional check.
For locations of components, w i r i n g diagrams, and ECM Terminal End View, refer t o t h e f r o n t o n the A Section
of the engine being diagnosed.
Following are the sub-section identification and t h e system covered:
• C1 Electronic Control M o d u l e (ECM) and Sensors Page CI-1
• C2 Fuel Control System Page C2-1
• C3 Evaporative Emission Control System (EECS) . * Page C3-1
• C4 Ignition System/EST . . . . . . Page C4-1
• C7 Exhaust Gas Recirculation (EGR) System . Page C7-1
• C8 Transmission/Transaxle Converter Clutch (TCC) « Page C8-1
• C10 ECM Controlled Air Conditioning . . Page C10-1
• C13 Positive Crankcase Ventilation (PCV) P a g e d 3 - 1
DIAGNOSTIC CHARTS
The Diagnostic Charts f o r each system are f o u n d after the on-car service and parts i n f o r m a t i o n at t h e back o f
each section. Following are t h e charts f o u n d in this section.
•
ChartC-1
ECM
QDR
Check
P a g e C I - 1 0
• Chart C-1 A
Park/Neutral Switch Diagnosis . • . Page C I - 1 2
• Chart C-1D
MAP O u t p u t Check PageC1-14
• Chart C-2A Injector Balance Test Page C2-16
• Chart C-4B Ignition System Check Page C4-4
• Chart C-7 Exhaust Gas Recirculation (EGR) Check Page C7-4
• Chart C-8A 125C Transmission/Transaxle Converter Clutch (TCC) (Electrical Diagnosis) . . Page C8-4
• Chart C-8B
Manual Transmission (M/T) Shift Light Check . . Page C8-6
• Chart C-10 A/C Clutch Control Diagnosis Page C10-2