Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2003 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1148: Closed Loop Control Function (Bank 1) Or DTC P1168: Closed Loop Control Function (Bank 2) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2003 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction is detected when either left or right bank does not operate in closed loop even when vehicle is driven in specific condition. Possible causes are:

NOTE: DTC P1148 and P1168 have one trip detection logic.
scientia non olet · About Mike's Workshop Manuals