GDI ± Troubleshooting
13A-65
INSPECTION PROCEDURE 27
Accelerator pedal position switch system
Probable cause
The accelerator pedal position switch detects that the accelerator pedal is fully closed,
and sends a signal to the engine-ECU. The engine-ECU controls idle speed, based
on this signal.
D Maladjustment of the accelerator cable
D Maladjustment of the accelerator pedal position switch
D Open circuit or short-circuited harness wire in the
accelerator pedal position switch system, or poor
connector contact
D Malfunction of the engine-ECU
NG
Repair
NG
Repair
Check the accelerator pedal position switch. (Refer to P.13A-105.)
NG
Replace the accelerator pedal position sensor assembly.
OK
Measure at accelerator pedal position sensor (1st channel) connec-
tor C-46.
D Disconnect the connector, and measure at the harness side.
D Voltage between terminal 4 and earth
(Ignition switch: ON)
OK: 4 V or more
D Continuity between terminal 1 and earth
OK: Continuity
NG
Check the following connectors: C-18, C-19
OK
Check trouble symptom.
NG
Check the harness wire between the engine-ECU and accelerator
pedal position sensor 1 (1st channel).
OK
Check the following connector: C-46
NG
Repair
OK
Check trouble symptom.
NG
Replace the engine-ECU.
OK
To Next Page
Loading...
