Operation CHARM: Car repair manuals for everyone.
Home >> Jeep >> 1992 >> Wrangler L6-242 4.0L VIN S MFI >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Control Module: Service and Repair



NOTE:
The engine controller is located in the engine compartment behind the washer fluid reservoir.

Diagnostic Connector Location:






REMOVAL

1. Disconnect battery negative cable.

2. Remove washer fluid reservoir.

Engine Controller:






3. Loosen 60-way connector mounting screw until connector can be disengaged from engine controller.

4. Pull 60-way connector straight back from engine controller.

5. Remove engine controller mounting screws.

6. Remove engine controller.


INSTALLATION

1. Install engine controller. Torque mounting screws to 1 Nm (9 in. lbs.).

2. Engage 60-way connector into engine controller. Torque connector mounting screw to 4 Nm (35 in. lbs.).

3. Connect negative cable to battery.

4. Install washer fluid reservoir.
pro multis · About Operation CHARM