Front Air Control Circuit Inspection

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of front air control for damage, bend and loose connection (unit side and harness side).
OK or NG

OK: GO TO 2.

NG: Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Front air control with display

Disconnect front air control connector.

Check resistance between front air control harness connector terminals.

Fig 1: Checking Resistance Between Front Air Control Harness Connector Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

FRONT AIR CONTROL HARNESS CONNECTOR RESISTANCE

Front air control connector	Terminal		Resistance (Approx.)
M50	41	42	54 - 66 Ω

Front air control without display

Disconnect front air control connector.

Check resistance between front air control harness connector terminals.

Fig 2: Checking Resistance Between Front Air Control Harness Connector Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

FRONT AIR CONTROL HARNESS CONNECTOR RESISTANCE

Front air control connector	Terminal		Resistance (Approx.)
M50	34	35	54 - 66 Ω

OK or NG

OK: Replace front air control.

NG: Repair harness between front air control and data link connector.