Frontier 2WD L4-2.5L (QR25DE) (2005)
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Section 2: For vehicles with a 7-terminal Trailer Lights Wiring Connector.
NOTE:
For vehicles without a trailer lights wiring connector, the BCM condition will be checked later in Procedure B.
Section 1: Vehicles Equipped With 4-terminal Trailer Lights Wiring Connector
1.
Turn the ignition switch to the ON position.
2.
Make sure the combination switch and hazard switch are OFF.
3.
Using a Test Light, check for power at terminals # 3 and # 4 (see Figure 1).
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If there is power at either terminal, replace the BCM. Return to the Repair Flow Chart for further instructions.
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If there is NO power at either terminal, the circuit is OK. Return to the Repair Flow Chart for further instructions.
4.
Turn the ignition switch OFF.
Section 2: Vehicles Equipped With 7-terminal Trailer Lights Wiring Connector
1.
Turn the ignition switch to the ON position.
2.
Make sure the combination switch and hazard switch are OFF.
3.
Using a Test Light, check for power at terminals # 2 and # 5 (see Figure 2).
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If there is power at either terminal, replace the BCM. Return to the Repair Flow Chart for further instructions.
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If there is NO power at either terminal, the circuit is OK. Return to the Repair Flow Chart for further instructions.
4.
Turn the ignition switch OFF.
Procedure B
PROCEDURE B: BCM SUB-HARNESS INSTALLATION & BCM REPLACEMENT
NOTE:
Procedure B (Sub-Harness Install/BCM Replace) is split up into two sections:
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Section 1: For Titan/Armada vehicles.
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Section 2: For Pathfinder/Frontier/Xterra vehicles.
CAUTION:
Use suitable covers to protect upholstery, carpet, trim, etc. when performing this procedure.
Section 1: Titan/Armada Procedure
1.
If you determined the BCM needs to be replaced (from Procedure A Terminal Check),
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First perform BCM "Read Configuration" using CONSULT-II.
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To do this, refer to "READ CONFIGURATION PROCEDURE" in section "BCS" in the applicable service manual.
2.
Record all radio station presets and then disconnect the negative battery cable.
CAUTION:
The complete repair needs to be conducted within one hour of disconnection of the battery. If the battery is left disconnected for longer than one