GDI ± Troubleshooting
13A-37
Code No.92 Throttle valve position feedback system Probable cause
The throttle valve controller determines if a failure is present, and sends its result
to the engine-ECU.
Range of check
D Ignition switch: ON
D System voltage: 8 V or more
Set condition
D Motor position feedback system is defective (System detects a motor overcurrent,
or that actual and projected opening angles of the throttle position sensor (1st
channel) are different by 1.0 V or more.
D Malfunction of the throttle position sensor (1st channel)
D Open circuit or short-circuited harness wire in the
throttle position sensor system (1st channel), or poor
connector contact
D Malfunction of the throttle valve controller
Check the throttle valve control servo. (Refer to P.13A-107.)
NG
Replace
OK
Check the following connectors:A-05, C-48
NG
Repair
OK
Check trouble symptom.
NG
Check the harness wire between the throttle control servo and
throttle valve controller.
NG
Repair
OK
Replace the throttle body.
Check trouble symptom.
NG
Replace the throttle valve controller.
Code No.94 Communication line system with throttle valve
controller
Probable cause
Range of check
D Ignition switch: ON
D System voltage: 8 V or more
D Engine: not cranking
Set condition
D System detects an error in communication line between the engine-ECU and
throttle valve controller.
D Short circuit in communication line
D Malfunction of the engine-ECU
D Malfunction of the throttle valve controller
Check the following connectors: C-19, C-48
NG
Repair
OK
Check trouble symptom.
NG
Check the harness wire between the engine-ECU and throttle
valve controller.
OK
Replace the throttle valve controller.
Check trouble symptom.
NG
Replace the engine-ECU.
NG
Repair
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