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Fault code No.
Item
2
Defective throttle position
sensor.
3
Malfunction in ECU.
TIP
If fault code numbers "15" and "16" are both indicated, take the actions specified for fault code number
"15" first.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Indicated
Procedure
Probable cause of mal-
Item
function and check
1
Connection of coolant tem-
perature sensor coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
2
Connection of ECU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
16
Throttle position sensor: stuck throttle position sensor is de-
tected.
Check throttle position sen-
sor signal.
Execute the diagnostic
mode. (Code No. 01)
When the throttle valve is ful-
ly closed:
A value of 14–20 is indicat-
ed.
An indicated value is out of
the specified range → Re-
place the throttle position
sensor.
Replace the ECU.
21
Coolant temperature sensor: open or short circuit detected.
Able to start engine
Able to drive vehicle
06
Displays the coolant temperature.
Check the coolant temperature.
Maintenance job
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
8-43
FUEL INJECTION SYSTEM
Turn the main switch to "
(on), then operate the throt-
tle.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
Confirmation of service
completion
Turn the main switch to "
(on).
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 2.
Turn the main switch to "
(on).
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
"
"
"
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