Mazda 121 Workshop Manual page 168

F
TROUBLESHOOTING
GUIDE
USING THIS SECTION
lntroduction
Most ol the fuel and emission control system is electrically controlled, often makjng it ditficult to diagnose
oroblems in tho system, especially intermittent problems. Before undertaking actual checks, take a few minutes
io talk with a customer who approaches with a drivability complaint The customer is often a good source
of inlormation on such problems, especially intermittent ones. Through talks with the customer, one can find
out what the symptoms are and under what condjtions they occur.
work tlow
CHECK IN
I
I
LISTEN TO CUSTOMEB COIVPLAINTS
I
I
REFEB TO TROUBLESHOOIING
PAGE THAT
COBRESPONDS
TO ACTUAL SYMPIOIV
Diagnostic index
No.:
Each troubleshooting item is
assigned a number-
TROUBLESHOOTING
ITEM:
There are 26 troubleshooting
items. Choose the item that
most closely corresponds to
the actual svmDtom.
_ DIAGNOSTIC INOEX
(Beler to Page F 14)
CHECK FOR WHAT
CHECK FOR WHAT PART IS BAD
_ _
I
i i
RTOAIB/FEPLACEMENT
J
I
DETEBI\4INE
IF TROUBLE HAS BEEN ELIMINATED
I Yes
CHECK OUT
IS BAD IN SYSTEM
_ -
INSPECTION
ACTION
DESCRIPTION:
Describes each troubleshooting
ilem.
F-12