Error codes - Nissan Murano Forum
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#1 Old 01-14-2013, 05:30 PM
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Error codes

Anyone have any feedback and solutions to fixing the following error codes on a 2004 SL?

p0615, p1800, p0420, p0725
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#2 Old 01-14-2013, 08:15 PM
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Originally Posted by macdaddy4x4 View Post
Anyone have any feedback and solutions to fixing the following error codes on a 2004 SL?

p0615, p1800, p0420, p0725
It is hard to tell what the issue maybe as one fault can cause another fault or code to appear.

You can check this site for what these codes mean. If your MO seems to be running normally, your best bet would be to clear the codes and see what comes back.

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#3 Old 01-15-2013, 08:31 AM
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some fuel smell. will reset. I believe they can be reset by removing the positive from the battery?
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#4 Old 01-15-2013, 08:44 AM
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Originally Posted by macdaddy4x4 View Post
some fuel smell. will reset. I believe they can be reset by removing the positive from the battery?
No, the codes remain in the memory.

Do you have an OBD reader? If so, they can be used to erase most codes.

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#5 Old 01-15-2013, 09:46 AM
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Originally Posted by macdaddy4x4 View Post
Anyone have any feedback and solutions to fixing the following error codes on a 2004 SL?

p0615, p1800, p0420, p0725
Quote:
P0615:
Transmission Control Module (TCM) controls park/neutral (PNP) relay (starter relay) in IPDM E/R. TCM switches PNP relay “ON” at “P” or “N” position and allows to crank engine. Then it prohibits cranking other than at “P” or “N” position.


P1800:
When the engine is running at low or medium speed, the power valve is fully closed. Under this condition, the effective suction port length is equivalent to the total length of the intake manifold collector's suction port including the intake valve. This long suction port provides increased air intake which results in improved suction efficiency and higher torque generation.

The surge tank and one-way valve are provided. When engine is running at high speed, the Engine Control Module (ECM) sends the signal to the Variable Intake Air System (VIAS) control solenoid valve. This signal introduces the intake manifold vacuum into the power valve actuator and therefore opens the power valve to two suction passages together in the collector.

Under this condition, the effective port length is equivalent to the length of the suction port provided independently for each cylinder. This shortened port length results in enhanced engine output with reduced suction resistance under high speeds.

p0420:
The Engine Control Module (ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor).

A three way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase.

When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst malfunction is diagnosed.

p0725
The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send signal to the Transmission Control Module (TCM).
After reading all that I'd start by testing the crank position sensor. Seems like the only one that could cause all the other cascading failures.
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#6 Old 01-15-2013, 02:06 PM
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After reading all that I'd start by testing the crank position sensor. Seems like the only one that could cause all the other cascading failures.
Sounds logical.

2004 SL AWD - Super Black - Leather Package (Café latte) - Tow Package - Floor Mats - Splash Guards - Cargo Area Protector - Rear Bumper Protector - Front Window Tint - Dawn Color Matched Body Side Molding – Day Time Running Lights - PAC-NIS1 Aux Audio input - Pressure Pro TPMS and Anti Theft Sensor Locks - 7" Xenarc VGA Touchscreen - Compaq EVO e-PC 2.0 GHz Pentium 4 Carputer with 120GB HD, DSATX PSU / Shutdown Controller, Road Runner Front End, iGuidance 3.0 Navigation, DVD player, Internet access, XM satellite radio, Deluo GPS receiver, Linksys WiFi Antenna, TERK XM antenna - Tweeter 22uF CAP mod - Magnetbra - Custom Backup Camera - Aries Polished Stainless Steel Sidestep (nerf) Bars - Euro-Tech Nudge Bar - Homemade Lower Grill Cover - Auxiliary Projection Fog Lamps - Aluminum Fuel Tank Shields - Wade Window Deflectors - Nissan Sunroof Deflector - Scosche UBRH Bluetooth Hands-Free Car Kit
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#7 Old 01-15-2013, 05:26 PM
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Thank you. Will try. Is the crankshaft position sensor the same as the camshaft sensor? Seems that many sites use both names and I am trying to pinpoint the exact location on the vehicle.
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#8 Old 01-16-2013, 01:08 PM
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Originally Posted by macdaddy4x4 View Post
Thank you. Will try. Is the crankshaft position sensor the same as the camshaft sensor? Seems that many sites use both names and I am trying to pinpoint the exact location on the vehicle.
no. there are two camshaft position sensors located in each row of cylinders. the crank sensor should be in the middle/lower section of the block so it can "see" the crank as it spins. its probaly colored gold if it has never been replaced.


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