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TROUBLE DIAGNOSIS FOR SYMPTOMS WT-47 C D F G H I J K L M A B WT Revision: 2006 August 2006 Murano Low Tire Pressure Warning Lamp Stays ON When Ignition Switch Is Turned ON NES000EF DIAGNOSTIC PROCEDURE 1. CHECK SYSTEM FOR BCM Perform self-diagnosis. Refer to WT-24, "Self-Diagnostic Procedure" Does self-diagnostic results indicate any malfunctions? YES >> Perform trouble diagnosis. Refer to WT-21, "SELF-DIAG RESULT MODE" NO >> GO TO 2. 2. CHCEK ID REGISTRATION Perform ID registration all transmitters. Refer to WT-26, "ID Registration Procedure" Does low tire pressure warning lamp turn OFF? YES >> INSPECTION END NO >> GO TO 3. 3. CHECK POWER SUPPLY 1. Turn ignition switch “OFF”. 2. Disconnect BCM harness connector. 3. Check voltage between BCM harness connector terminals and ground. 4. Turn ignition switch “ON”. (Do not start engine.) 5. Check voltage between BCM harness connector terminals and ground. OK or NG OK >> GO TO 4. NG >> Check the following. If any items are damaged, repair or replace damaged parts. ● 50 A fuses [No. F located in the fuse block (J/B)]. Refer to ● 10 A fuses [No. 1, 18 located in the fuse block (J/B)]. Refer to ● Harness for short or open between battery and BCM harness connector M35 terminals 42 and ● Harness for short or open between ignition switch and BCM harness connector M34 terminal ● Battery and ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" Connector Terminal Voltage (Approx.) M34 38 - Ground 0 V M35 42 - Ground Battery voltage 55 - Ground Connector Terminal Voltage (Approx.) M34 38 - Ground Battery voltage M35 42 - Ground 55 - Ground |