2003 NISSAN TEANA Service Manual

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NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
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Malfunction Area ChartBKS002E2
MAIN LINE
BRANCH LINE
SHORT CIRCUIT
Malfunction Area Reference
Main line between driver seat control unit and

Page 2674 of 3502

NISSAN TEANA 2003  Service Manual LAN-70
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Main Line Between Driver Seat Control Unit and Data Link ConnectorBKS002E3
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the b

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NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
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Main Line Between Data Link Connector and TCMBKS002E4
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect

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3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors E253 and E11.
2. Check the continuity between harness connectors.
OK or NG
OK >>Presen

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NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
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3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-70, "
Circuit Diagram"  (QR e

Page 2678 of 3502

NISSAN TEANA 2003  Service Manual LAN-74
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AFS Control Unit Branch Line CircuitBKS002E7
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative

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NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.
O

Page 2680 of 3502

NISSAN TEANA 2003  Service Manual LAN-76
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Intelligent Key Unit Branch Line CircuitBKS002EB
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the nega