97791M Mariner INSERT, CARTRIDGE

Illustration 1 g01017251
Typical example
Test Step 1. Check for Connector Damage
Turn the Engine Control Switch (ECS) to the OFF/RESET position.
Turn the battery disconnect switch to the OFF position.
Thoroughly inspect the ECM connectors J1/P1 and J2/P2. Inspect all of the other connectors. Refer to the diagnostic functional test Troubleshooting, "Inspecting Electrical Connectors" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
Check the allen head screw on each ECM connector for the proper torque. Refer to Troubleshooting, "Inspecting Electrical Connectors" for the correct torque values.
Check the harness and the wiring for abrasion and for pinch points. Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted. The harness and wiring are free of corrosion, of abrasion, and of pinch points.Results:
OK - The connectors and wiring are OK. Proceed to Test Step 2.
Not OK - The connectors and/or wiring are not OK.Repair: Repair the connectors or wiring and/or replace the connectors or wiring.STOPTest Step 2. Check for a Short Circuit in the Wiring Harness
Disconnect the ECM connector J1/P1 and ECM connector J2/P2. Disconnect all of the digital sensors.
Measure the resistance between the digital supply wire 700 in P1-4 and the digital return wire D998 in P1-5 of connector P1.
Measure the resistance between the digital supply wire 700 in P1-4 and engine ground.
Measure the resistance between the digital return wire D998 in P1-5 and engine ground.
Measure the resistance between the digital supply wire 700 in P1-4 and the +Battery terminal.
Measure the resistance between the digital return wire D998 in P1-5 and the +Battery terminal.
Measure the resistance between the digital supply P2-56 (A700-BK(Black)) and the digital return P2-66 (F998-BK(Black)) on connector P2.
Measure the resistance between the digital supply wire A700 in P2-56 and engine ground.
Measure the resistance between the digital return wire F998 in P2-66 and engine ground.
Measure the resistance between the digital supply wire A700 in P2-56 and the +Battery terminal.
Measure the resistance between the digital return wire F998 in P2-66 and the +Battery terminal. Expected Result:The resistance is greater than 20,000 Ohms for each measurement.Results:
OK - The resistance is greater than 20,000 Ohms. Proceed to Test Step 3.
Not OK - The resistance is less than 20,000 Ohms.Repair: There is a short in the wiring harness. Repair the connectors or wiring and/or replace the connectors or wiring.STOPTest Step 3. Check the Digital Supply Voltage at the ECM
Remove the wire 700 from the ECM connector P1-4. Install a jumper wire into the socket for P1-4.
Remove the wire D998 from the ECM connector P1-5. Install a jumper wire into the socket for P1-5.
Remove the wire A700 from the ECM connector P1-4. Install a jumper wire into the socket for P2-56.
Remove the wire F998 from the ECM connector P2-66. Install a jumper wire into the socket for P2-66. Note: If you remove the sensor common from the ECM, an open circuit diagnostic code will be generated for all sensors that use the sensor common. Troubleshoot the original code. Delete the logged diagnostic codes when you are finished.
Turn the battery disconnect switch to the ON position.
Turn the ECS to the STOP position. The engine should be off.
Measure the voltage between the digital sensor supply P1-4 and the digital sensor return P1-5 at the wire jumpers.
Measure the voltage between the digital sensor supply P2-56 and the digital sensor return P2-66 at the wire jumpers.
Turn the ECS to the OFF/RESET position.
Turn the battery disconnect switch to the OFF position.
Remove the wire jumpers and reconnect the ECM connector J1/P1.
Remove the wire jumpers and reconnect the ECM connector J2/P2. Expected Result:The supply voltage is