P1580

DTC P1580: DOR Radiator Tampering Monitor (Encrypted Message)

RADIATOR SENSOR CIRCUIT
Refer to P1540

CIRCUIT OPERATION
Refer to P1540

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

Logic Flow Chart

Logic Flow Chart:

Check Condition
- Battery positive voltage is higher than 11 volts
- Engine coolant between -30 °C (-22 °F) and 110 °C (230 °F)

Judgement Criteria
- Communication error

TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CODE TO BE SET ARE:)
- Malfunction of the radiator sensor
- Malfunction of the PCM

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. Replace the DOR radiator

Check the diagnostic trouble code (DTC).

Q: Is DTC P1580 set?

YES : Replace the PCM. Then go to Step 2.

NO : The procedure is complete.

STEP 2. Perform the OBD-II drive cycle.

Check the diagnostic trouble code (DTC).

Q: Is DTC P1580 set?

YES : Repeat the troubleshooting.

NO : The procedure is complete.