AA - USING THIS SECTION (GENERAL HELP INFORMATION)
L - WIRING DIAGRAMS
Use these WIRING DIAGRAMS to identify and trace component
circuits, locate shorts and opens in circuits, and understand how
individual circuits function as part of a system. The diagrams in this
article are only for fuel, ignition and emission systems
M - VACUUM DIAGRAMS
The VACUUM DIAGRAMS will assist you in finding incorrectly
routed vacuum hoses which may cause driveability problems or computer
indicated malfunctions.
N - REMOVE/INSTALL/OHAUL
N - REMOVE/INSTALL/OHAUL contains information found in the
sub-headings of REMOVAL, OVERHAUL & INSTALLATION. These are procedures
and specifications required to remove, overhaul (if possible) and
install components related to engine performance.
WHERE TO START
PERFORM BASIC INSPECTION
1) Verify customer complaint.
2) Perform visual inspection. See F - BASIC TESTING.
3) Test engine sub-system to determine that the following
systems are functioning properly. See F- BASIC TESTING.
* Mechanical conditions (compression)
* Ignition output
* Fuel Delivery
4) Check air induction system for leaks.
5) Check & adjust basic engine settings listed below to
ensure they are to specification. See D - ADJUSTMENTS.
* Ignition timing
* Idle speed
CHECK FOR TROUBLE CODES
1) If equipped with self-diagnostics, check for trouble
codes. Refer to G - TESTS W/ CODES.
2) Repair causes of trouble code(s).
3) Clear control unit memory.
SYMPTOM DIAGNOSIS