2001 INFINITI QX4 Factory Service Manual

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Page 977 of 2395

INFINITI QX4 2001 Factory Service Manual Wiring DiagramNBEC0269 MEC968C DTC P0600 A/T COMMUNICATION LINE Wiring Diagram EC-442

Page 978 of 2395

INFINITI QX4 2001 Factory Service Manual Diagnostic ProcedureNBEC0270 1 CHECK A/T CONTROL INPUT SIGNAL CIRCUIT FOR OPEN 1. Turn ignition switch ªOFFº. 2. Disconnect ECM harness connector and TCM (Transmission Control Module) harness connec

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INFINITI QX4 2001 Factory Service Manual SEC220B Component DescriptionNBEC0271The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The unit controls the engine. On Board Diagnosis LogicNBEC0272

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INFINITI QX4 2001 Factory Service Manual Diagnostic ProcedureNBEC0274 1 INSPECTION START With CONSULT-II 1. Turn ignition switch ªONº. 2. Select ªSELF DIAG RESULTSº mode with CONSULT-II. 3. Touch ªERASEº. 4.Perform ªDTC Confirmation P

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INFINITI QX4 2001 Factory Service Manual DescriptionNBEC0691SYSTEM DESCRIPTIONNBEC0691S01 Sensor Input signal to ECM function ECM Actuator Crankshaft positon sensor (POS) Engine speed (POS) Intake valve timing con- trolIntake valve timing co

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INFINITI QX4 2001 Factory Service Manual ECM Terminals and Reference Value=NBEC0693Specification data are reference values, and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring voltage. D

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INFINITI QX4 2001 Factory Service Manual TERMI- NAL NO.WIRE COLORITEM CONDITION DATA (DC Voltage) 89 ORIntake valve timing control position sen- sors (LH)[Engine is running] IWarm-up condition IIdle speedApproximately 0.5V SEF351Z [Engine is

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INFINITI QX4 2001 Factory Service Manual DTC Confirmation ProcedureNBEC0696CAUTION: Always drive at a safe speed. NOTE: IIf both DTC P1111(B1), P1136 (B2) or P1140 (B1), P1145 (B2) and P1110 (B1), P1135 (B2) are displayed, perform trouble di
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