Rear O2 Sensor Circuit Wiring Diagram (1996-1998 4.0L Jeep Grand Cherokee)

APPLIES TO: This rear oxygen sensor (HO2S12) circuit wiring diagram applies to the following vehicles:

• 1996, 1997, 1998 4.0L Jeep Grand Cherokee.

This rear oxygen sensor wiring diagram includes the following circuits:

• Auto Shut Down (ASD) relay circuit.
• Rear (downstream) oxygen sensor.

You can find the front O2 sensor circuit diagram here:

• Front O2 Sensor Circuit Wiring Diagram (1996-1998 4.0L Jeep Grand Cherokee).

RELATED WIRING DIAGRAMS:

• Oxygen (O2) Sensor Wiring Diagram (1993-1995 4.0L Jeep Grand Cherokee).

More Jeep 4.0L Wiring Diagrams And Diagnostic Test Tutorials

You can find a complete list of wiring diagrams and diagnostic test tutorials here:

• Jeep 4.0L Index Of Articles.

Here's a sample of the tutorials you'll find there:

• How To Test Trouble Code P0135 (1996-2000 Jeep 4.0L).
• How To Test The MAP Sensor (1997-2003 Jeep 4.0L).
• How To Do A Cylinder Balance Test (Jeep 4.0L).
• Jeep PWM Fan Relay Test Troubleshooting An Overheating Condition.
• How To Test The Crankshaft Position Sensor (1994-1996 4.0L Jeep).