Code No. P0606: Microcomputer Malfunction System
FUNCTION
The engine-A/T-ECU check whether the microcomputer, which performs the drive control of the throttle valve, is normal.
TROUBLE JUDGMENT
Check Conditions
Ignition switch is ON position.
Judgment Criteria
Malfunction of the microcomputer.
Check Conditions
Ignition switch is in ON position.
Battery voltage is 6.3 V or more.
Judgment Criteria
Throttle position sensor output voltage is 4.1 V or less.
or
Malfunction of the main microcomputer basic voltage.
Check Conditions
Ignition switch is ON position.
Throttle position sensor (main) output voltage is between 0.4 and 4.8 V.
Judgment Criteria
Malfunction of the throttle position sensor (main) input interface.
PROBABLE CAUSE
Failed the engine-A/T-ECU
DIAGNOSIS
STEP 1. M.U.T.-III diagnosis code
Reconfirmation of diagnosis code.
Q. Is the diagnosis code set?
Replace engine-A/T-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points
).