Data Link Connector Circuit Inspection

WARNING: This page is about a different car, the 2006 Nissan Xterra. 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 data link connector and terminals 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.

RESISTANCE CHART

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

Fig 1: Identifying Resistance Between Data Link Connector Terminals

OK or NG

OK >> Diagnose again. Refer to "TROUBLE DIAGNOSES WORK FLOW ".

NG >> Repair harness between data link connector and BCM.