Nissan Murano: Steering Control System :: Dtc/circuit Diagnosis / C1602 No Tuning Set

Nissan Murano (Z52) 2015-2024 Service Manual / Steering / Steering Control System :: Dtc/circuit Diagnosis / C1602 No Tuning Set

DTC Description

DTC DETECTION LOGIC

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition
C1602

NO TUNING SET

(No tuning set) 		Diagnosis condition When ignition switch ON.
Signal (terminal) —
Threshold Information in power steering module is not the same
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connector

  • Power steering control module

  • Battery power supply circuit

  • Ignition power supply circuit

  • Battery

  • Fuse

  • Ground circuit

FAIL-SAFE

Manual steering state

DTC Confirmation Procedure

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

DTC REPRODUCTION PROCEDURE

CONSULT

  1. Ignition switch OFF to ON.

  2. Select "Self Diagnostic Result" mode of "EPS/DAST 3".

Is DTC “C1602” detected?

YES>>

Proceed to diagnosis procedure. Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK TERMINALS AND HARNESS CONNECTORS

  1. Ignition switch OFF.

  2. Check the power steering control module harness connector for disconnection or looseness.

  3. Disconnect power steering control module harness connector and then check the power steering control module pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace error-detected parts.

CHECK POWER STEERING CONTROL MODULE GROUND CIRCUIT

Check continuity between power steering control module harness connector terminal and ground.

Power steering control module — Continuity
Connector Terminal
E63 2 Ground Yes

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair open circuit or short to ground or short to power in harness or connectors, and repair or replace malfunctioning parts.

CHECK POWER STEERING CONTROL MODULE POWER SUPPLY CIRCUIT (1)

  1. Check voltage between power steering control module harness connector terminals and ground.

    (+) (–)

    Voltage

    (Approx.)
    Power steering control module
    Connector Terminal
    E63 1 Ground Battery voltage

  2. Ignition switch ON.

    CAUTION:

    Never start the engine.

  3. Check voltage between power steering control module harness connector terminals and ground.

    (+) (–)

    Voltage

    (Approx.)
    Power steering control module
    Connector Terminal
    E63 1 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 4.

CHECK POWER STEERING CONTROL MODULE POWER SUPPLY CIRCUIT (2)

  1. Ignition switch OFF.

  2. Check the 100A fusible link (#D).

Is the inspection result normal?

YES>>

Refer to Terminal Arrangement.

NO>>

Repair or replace malfunctioning parts.

CHECK POWER STEERING CONTROL MODULE POWER SUPPLY CIRCUIT (3)

  1. Ignition switch OFF.

  2. Check voltage between power steering control module harness connector terminals and ground.

    (+) (–)

    Voltage

    (Approx.)
    Power steering control module
    Connector Terminal
    E62 5 Ground 0 V

  3. Ignition switch ON.

    CAUTION:

    Never start the engine.

  4. Check voltage between power steering control module harness connector terminals and ground.

    (+) (–)

    Voltage

    (Approx.)
    Power steering control module
    Connector Terminal
    E62 5 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 6.

CHECK POWER STEERING CONTROL MODULE POWER SUPPLY CIRCUIT (4)

  1. Ignition switch OFF.

  2. Check the 10A fuse No. 46 in the IPDM E/R.

  3. Check continuity and short between power steering control module harness connector terminal and fuse block (J/B) harness connector terminal.

    Power steering control module Fuse block (J/B) Continuity
    Connector Terminal Connector Terminal
    E62 5 E119 35 Yes

  4. Check continuity between power steering control module harness connector terminal and ground.

    Power steering control module — Continuity
    Connector Terminal
    E62 5 Ground No

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for ignition power supply circuit. Refer to Wiring Diagram.

NO>>

Repair or replace malfunctioning parts.

CHECK SELF DIAGNOSTIC RESULT RESULTS

CONSULT

Select "Self Diagnostic Result" mode of "EPS/DAST 3".

Is DTC “C1602” detected?

YES>>

Power steering control module is malfunctioning. Replace steering oil pump assembly. Refer to Removal and Installation.

NO>>

Repair or replace malfunctioning parts.

    C1601 Battery Volt

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition C1601 BATTERY VOLT (Battery voltage) Diagnosis condition When ignition switch ON...

    C1606 Eps Motor

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition C1606 EPS MOTOR (EPS motor) Diagnosis condition When engine is running...

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    Nissan Murano (Z52) 2015-2024 Service Manual: Abbreviations


    Abbreviation List The following ABBREVIATIONS are used:A ABBREVIATION DESCRIPTION A/C Air conditioner Air conditioning A/F sensor Air fuel ratio sensor A/T Automatic transaxle/transmission ABS Anti-lock braking system ACCS Advance climate control system ACL Air cleaner AEB Automatic Emergency Braking AP Accelerator pedal APP Accelerator pedal position ATF Automatic transmission fluid ATR Active torque rod AV Audio visual AVM Around view monitor AWD All wheel drive B ABBREVIATION DESCRIPTION BARO Barometric pressure BCI Backup collision intervention BCM Body control module BLSD Brake limited slip differential BPP Brake pedal position BSI Blind spot intervention BSW Blind spot warning C ABBREVIATION DESCRIPTION CGW Can Gateway CKP Crankshaft position CL Closed loop CMP Camshaft position CPP Clutch pedal position CTP Closed throttle position CVT Continuously variable transaxle/transmission D ABBREVIATION DESCRIPTION D1 Drive range first gear D2 Drive range second gear D3 Drive range third gear D4 Drive range fourth gear DCA Distance control assist DDS Downhill drive support DFI Direct fuel injection system DLC Data link connector DTC Diagnostic trouble code E ABBREVIATION DESCRIPTION E/T Exhaust temperature EBD Electric brake force distribution EC Engine control ECD Electronic controlled deceleration ECL Engine coolant level ECM Engine control module ECT Engine coolant temperature ECV Electrical control valve EEPROM Electrically erasable programmable read only memory EFT Engine fuel temperature EGR Exhaust gas recirculation EGRT Exhaust gas recirculation temperature EGT Exhaust gas temperature ELD Electronic locking differential EOP Engine oil pressure EP Exhaust pressure EPR Exhaust pressure regulator EPS Electronically controlled power steering Electronic power steering ESP Electronic stability program system EVAP canister Evaporative emission canister EVSE Electric Nissan Murano vehicle supply equipment EXC Exhaust control F ABBREVIATION DESCRIPTION FC Fan control FCW Forward collision warning FEB Forward Emergency Braking FIC Fuel injector control FP Fuel pump FR Front FRP Fuel rail pressure FRT Fuel rail temperature FTP Fuel tank pressure FTT Fuel tank temperature G ABBREVIATION DESCRIPTION GND Ground GPS Global positioning system GST Generic scan tool H ABBREVIATION DESCRIPTION HBMC Hydraulic body-motion control system HDD Hard disk drive HO2S Heated oxygen sensor HOC Heated oxidation catalyst HPCM Hybrid powertrain control module I ABBREVIATION DESCRIPTION I/M Inspection and maintenance IA Intake air IAC Idle air control IAT Intake air temperature IBA Intelligent brake assist IC Ignition control ICC Intelligent cruise control ICM Ignition control module IPDM E/R Intelligent power distribution module engine room ISC Idle speed control ISS Input shaft speed ITS Information technology suite IVC In-Nissan Murano vehicle communications K ABBREVIATION DESCRIPTION KS Knock sensor L ABBREVIATION DESCRIPTION LBC Li-ion battery controller LCD Liquid crystal display LCU Local control unit LDP Lane departure prevention LDW Lane departure warning LED Light emitting diode LH Left-hand LHD Left-hand drive LIN Local interconnect network M ABBREVIATION DESCRIPTION M/T Manual transaxle/transmission MAF Mass airflow MAP Manifold absolute pressure MDU Multi display unit MI Malfunction indicator MIL Malfunction indicator lamp MOD Moving object detection N ABBREVIATION DESCRIPTION NOX Nitrogen oxides O ABBREVIATION DESCRIPTION O2 Oxygen O2S Oxygen sensor OBD On board diagnostic OC Oxidation catalytic converter OD Overdrive OL Open loop OSS Output shaft speed P ABBREVIATION DESCRIPTION P/S Power steering PBR Potentio balance resistor PCV Positive crankcase ventilation PFCW Predictive forward collision warning PNP Park/Neutral position PSP Power steering pressure PTC Positive temperature coefficient PTO Power takeoff PWM Pulse width modulation R ABBREVIATION DESCRIPTION RAM Random access memory RAS Rear active steer RH Right-hand RHD Right-hand drive ROM Read only memory RPM Engine speed RR Rear S ABBREVIATION DESCRIPTION SAE Society of Automotive Engineers, Inc...

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