Probable cause
�� Throttle motor defect
�� Harness defect
�� Engine controller defect
Error codes 06-1 and 06-2
Engine
controller
Throttle
motor
Inspection 1: NG
Throttle motor individual inspection Throttle motor defect
OK
Inspection 2: NG
Harness continuity and short circuit inspection Harness defect
OK
Engine controller defect
No error
Connector contact defect
Disconnect the battery negative terminal (for
more than 10 seconds), after inspecting and
correcting disconnection and water entry of E1,
reconnect all connectors and the battery negative
terminal, turn the ignition key switch ON (start the
engine) and check whether or not there is an
error.

Electrical System Troubleshooting
Related portion
Probable cause
�� Connector contact defect
�� Accelerator sensor defect
�� Harness defect
�� Engine controller defect
*: Make sure that no error code is displayed when the accelerator pedal is operated.
Error codes C4-1, C4-2, C4-3, C4-4, C4-5
Engine
controller
Accelerator
sensorAccelerator sensor individual inspection Accelerator sensor defect
Harness continuity and short circuit inspection Harness defect
OK
Engine controller defect
No error
Disconnect the battery negative terminal, after
inspecting and correcting disconnection and
water entry of E20 and E23, reconnect all
connectors and the battery negative terminal,
turn the ignition key switch ON (start the engine),
and check whether or not there is an error.*