Data Link Connector Circuit Inspection

WARNING: This page is about a different car, the 2006 Infiniti QX56. 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 the terminals and connector of data link connector for damage, bend and loose connection (connector side and harness side).
OK or NG
- OK : GO TO 2.
- NG : Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Check resistance between data link connector terminals.

TERMINAL RESISTANCE CHART

Data link connector	Terminal		Resistance (Approx.)
M22	6	14	54 - 66 Ω

Fig 1: Identifying Resistance Between Data Link Connector Terminals

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

OK or NG

OK : Diagnose again. Refer to "TROUBLE DIAGNOSES WORK FLOW ".
NG : Repair harness between data link connector and combination meter.