ee7: Service Codes 54 and/or 74: Check LH Rear Sensor Circuit Continuity
Steps _Turn Ignition Off
_Disconnect 32-pin plug from electronic controller
_Connect EEC-IV Breakout box with Tool T83L-50-EEC-IV or equivalent, Anti-Lock Test Adapter T87P-50-ALA or equivalent, to the anti-lock 32-pin plug wiring harness.
_Check continuity between Breakout box Pins 40 and 4
Result Continuity:

GO to Step Continue
No continuity:

GO to Step Continue