9-6
E
TRBL
ANLS
SELF-DIAGNOSIS
Checking steps
(1) Start the engine and let it idle.
(2) Check the diagnostic indicator’s flash
pattern to determine if there are any
malfunctions.
NOTE:
When more than one problem is detected,
the diagnostic tester’s light flashes in the
pattern of the lowest numbered problem.
After that problem is corrected, the light
flashes in the pattern of the next lowest
numbered problem. This continues until all
of the problems are detected and corrected.
Diagnosis code chart
8
Code Symptoms
13
Incorrect pick-up coil input
signal
15
Incorrect engine cooling water
temperature sensor input
signal
18
Incorrect throttle position
sensor input signal
19
Incorrect battery positive
voltage
23
Incorrect intake air temperature
sensor input signal
28 Incorrect shift position switch
29
Incorrect intake air pressure
sensor input signal (out of
normal operating range)
33 - 44
Microcomputer processing
information
(33)
Ignition timing is being slightly
corrected (when starting a cold
engine)
(37) Intake passage air leakage
(44)
Engine stop switch control
operating
9040
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