Service manual

69J1D11
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Fail-safe function table
Symptom
FAIL-SAFE FUNCTION
DIAGNOSIS
CODE
Ignition Injection ISC
Engine
condition
Incorrect pulser
coil signal
Engine starting:
Only the cylinders
outputting normal
signal ignite at
BTDC10°, and all
cylinders thereafter.
All cylinders inject
simultaneously
based on the cylin-
der that is output-
ting a normal signal.
Only in neutral:
900 r/min
Idle speed
increases
13
Incorrect engine
temperature sen-
sor signal
Normal control
Engine temperature
sensor is fixed to
40 °C to activate
normal control.
Only in neutral:
900 r/min
Idle speed
increases
15
Incorrect throttle
position sensor
signal
Ignition timing is
fixed to BTDC10°.
Correction is made
to the basic injec-
tion map.
Opening angle
is fixed to 60%.
Idle speed
increases
18
Incorrect intake air
temperature sen-
sor signal
Normal control
Intake air tempera-
ture sensor is fixed
to 40 °C in order to
activate normal
control.
Only in neutral:
900 r/min
Idle speed
increases
23
Incorrect neutral
switch signal
Normal control Normal control Normal control Normal control
28
Incorrect intake air
pressure sensor
signal
Normal control
Correction is made
to the basic injec-
tion map.
Only in neutral:
900 r/min
Idle speed
increases
29
Incorrect oil pres-
sure sensor signal
Normal control Normal control
Only in neutral:
900 r/min
Idle speed
increases
39
Incorrect shift cut
switch signal
Normal control Normal control
In neutral:
900 r/min
In gear:
850 r/min
Idle speed
increases
45
Incorrect thermo-
switch signal
Normal control Normal control
Only in neutral:
900 r/min
Idle speed
increases
46
Technical tips