Nissan Murano: Dtc/circuit Diagnosis / Ecm Branch Line Circuit
CHECK CONNECTOR
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Turn the ignition switch OFF.
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Disconnect the battery cable from the negative terminal.
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Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair the terminal and connector.
CHECK HARNESS FOR OPEN CIRCUIT
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Disconnect the connector of ECM.
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Check the resistance between the ECM harness connector terminals.
ECM harness connector Resistance (Ω) Connector No. Terminal No. E32 124 123 Approx. 108 – 132
Is the measurement value within the specification?
YES>>GO TO 3.
NO>>Repair the ECM branch line.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>Replace the ECM. Refer to Removal and Installation.
YES>>Error was detected in the ECM branch line.
NO>>Repair the power supply and the ground circuit.
Main Line Between 4wd and M&a Circuit
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side)...
Abs Branch Line Circuit
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side)...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: P0603 Ecm
DTC Description DTC DETECTION LOGIC ECM back up system does not function properly. EEPROM (built-in microcomputer) system internal ECM does not function properly. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0603 ECM BACK UP/CIRCUIT [Internal Control Module Keep Alive Memory (KAM) Error] Diagnosis condition Ignition switch ON Signal (terminal) — Threshold ECM back up system does not function properly Diagnosis delay time — P062F CONTROL MODULE (Internal control module EEPROM error) Diagnosis condition Start engine and let it idle Signal (terminal) — Threshold EEPROM (built-in microcomputer) system internal ECM does not function properly Diagnosis delay time — POSSIBLE CAUSEDTC P0603 Harness or connectors [ECM power supply circuit is open or shorted...
Nissan Murano (Z52) 2015-2024 Service Manual: Combination Meter
Values on the Diagnosis Tool NOTE: The following table includes information (items) inapplicable to this Nissan Murano vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. Monitor Item Condition Value/Status SPEED METER [mph or km/h] Ignition switch ON While driving...
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LATCH (Lower Anchors and Tethers for CHildren) system
LATCH system lower anchor locations - bench seat
Your vehicle is equipped with special anchor points that are used with LATCH system compatible child restraints. This system may also be referred to as the ISOFIX or ISOFIX compatible system. With this system, you do not have to use a vehicle seat belt to secure the child restraint unless the combined weight of the child and child restraint exceeds 65 lbs. (29.5 kg). If the combined weight of the child and child restraint is greater than 65 lbs. (29.5 kg), use the vehicle’s seat belt (not the lower anchors) to install the child restraint. Be sure to follow the child restraint manufacturer’s instructions for installation.
