Passport LX 4WD V6-3165cc 3.2L DOHC MFI (2001)
Powertrain Control Module: Service and Repair
Reprogramming the PCM
EEPROM
General Description
The Electronically Erasable Programmable Read Only Memory (EEPROM) is a permanent memory that is physically soldered within the PCM. The
EEPROM contains program and calibration information that the PCM needs to control powertrain operation.
EEPROM Programming
1. Set-up - Ensure that the following conditions have been met:
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The battery is fully charged.
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The ignition is ON."
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The Vehicle Interface Module cable connection at the DLC is secure.
2. Program the PCM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user's instructions.
3. If the PCM fails to program, proceed as follows:
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Ensure that all PCM connections are OK.
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Check the Techline equipment for the latest software version.
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Attempt to program the PCM. If the PCM still cannot be programmed properly, replace the PCM. The replacement PCM must be
programmed.
Functional Check
1. Perform the On-Board Diagnostic System Check.
2. Start the engine and run for one minute.
3. Scan for DTCs using the Tech 2.
