Mazda 323 1988 Workshop Manual page 282

4B
TROUBLESHOOTING GUIDE
TROUBLESHOOTING CHART
POSSIBLE CAUSE INPUT DEVICES
OUTPUT DEVICES
SYMPTOM 48--1448-14 48-1548-1648-1748-1948-1948-2046-20
4B-214B-2148-2148-2
TROUBLESHOOTING PROCEDURE:
Step 1 under symptom is to qulekly determlne what system or parts may
be at fault using the self-Diagnosis Checker (49 HO18 9Al)
Ist Check input sensors and switches and output sdenoid valves self-
diagnosed with Self-Dlagnosls checker (Refer to page 46-12).
3rd Check the following items:
Electrical system
1) Battery condition
lgnltlon system
1) Spark plugs
2) Ignition timing
1) Fuel amount
Intake air system
1) Air cleaner element
2) Vacuum or air leakage
3) Vacuum hose routing
4) Accelerator cable
4th Check the Fuel and Emission Control Systems
4B--10