FUEL INJECTION SYSTEM
8-19
Fault code 16
Symptom
Throttle position sensor: stuck throttle position sensor is de-
tected.
Fail-safe system Able to start engine
Able to drive vehicle
Diagnostic code No. 01
Diagnostic tool display Displays the throttle angle.
• 11–14 (throttle in fully closed position)
• 109–116 (throttle in fully opened position)
Procedure Check with throttle valves fully closed.
Check with throttle valves fully opened.
Or-
der
Probable cause of malfunc-
tion and check
Maintenance job Reinstatement method
1 Mounted condition of throttle
position sensor.
Check for looseness or
pinching.
Check the mounted condition
for correctness.
Improperly mounted sensor
Remount or replace the
sensor.
Refer to “ADJUSTING THE
THROTTLE POSITION SEN-
SOR” on page 7-9.
Turn “ON” the switch on the
FI diagnostic tool sub-lead.
Fault code No. is not dis-
played Repair is finished.
Fault code No. is displayed
Go to next order.
2 Defective throttle position
sensor.
Execute the diagnostic mode.
(Code No. d:01)
When the throttle is fully
closed, 11–14 displays.
When the throttle is fully
opened, 109–116 displays.
Incorrect display range
Replace the throttle position
sensor.
Turn “ON” the switch on the
FI diagnostic tool sub-lead.
Fault code No. is not dis-
played Repair is finished.
Fault code No. is displayed
Go to next order.
3 Faulty ECU Replace the ECU.
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