P0606

DTC P0606: Engine Control Module [M/T] or Powertrain Control Module [A/T] Main Processor Malfunction

TECHNICAL DESCRIPTION
- Throttle actuator control processor checks the ECM [M/T] or the PCM [A/T] for abnormal conditions.

DESCRIPTIONS OF MONITOR METHODS
No watch dog pulse is detected.

MONITOR EXECUTION
Continuous

MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)

Other Monitor (There is no temporary DTC stored in memory for the item monitored below)
- Not applicable

Sensor (The sensor below is determined to be normal)
- Not applicable

DTC SET CONDITIONS

Check Condition
- Ignition switch is "ON" position.

Judgement Criterion
- No surveillance pulse signals should be input for 0.5 second.

OBD-II DRIVE CYCLE PATTERN
None.

TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- ECM failed. [M/T]
- PCM failed. [A/T]

DIAGNOSIS

Required Special Tools:
- MB991958: Scan tool (M.U.T.-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: USB Cable
- MB991910: Main Harness A

STEP 1. Using scan tool MB991958, read the diagnostic trouble code (DTC)






CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK"(OFF) position before connecting or disconnecting scan tool MB991958.

1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. After the DTC has been deleted, read the DTC again.
4. Turn the ignition switch to the "LOCK"(OFF) position.

Q: Is DTC P0606 set?

YES : Replace the ECM or the PCM. When the ECM or the PCM is replaced, register the encrypted code. Refer to chassis electrical, Encrypted Code Registration Criteria Table.

NO : It can be assumed that this malfunction is intermittent. Refer to general (body and chassis), How to Use Troubleshooting/Inspection Service Points -How to Cope with Intermittent Malfunctions.