1998 Nissan Maxima CHECK ENGINE LIGHT ON

1998 NISSAN MAXIMA

249,000 MILES • 6 CYL • 2WD • AUTOMATIC

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HI WE HAVE THIS CAR IN MY SHOP
THE CHECK ENGINE LIGHT IT ON
THE MACHINE SAID THIS CODE
1-P-1336
2-PO725

WE LIKE TO KNOW HOW FIX THIS CODE PLEASE
THX SO MUCH

Oct 26, 2009 at 5:04 PM

DAVE H

CAR REPAIR CONTRIBUTOR
13,384 POSTS

Hello .. thanks for the donation .. much appreciated

DTC P0335 OR P1336: CRANKSHAFT POSITION (CKP) SENSOR

Replace the CKP sensor !

DTC P0725/1207: ENGINE SPEED SIGNAL

Diagnosis & Repair
For signal testing, see ENGINE REVOLUTION SIGNAL CIRCUIT (TACH SIGNAL) under CIRCUIT TESTS. Check harness for opens or shorts to ground between ECM and TCM.

ENGINE REVOLUTION SIGNAL CIRCUIT (TACH SIGNAL)
NOTE:For more information, see DTC P0201 in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

Start engine and idle. Check voltage between TCM terminal No. 24 and ground. See Fig. 11 . Voltage should vary from .5-1.5 volts. If voltage is within specification, recheck applicable TCM input/output signals. See TCM PIN VOLTAGE CHARTS . If any voltage measured is not as specified, check TCM connector terminals for damage or loose connection to harness connector. Repair as necessary. If TCM terminals and harness connector are okay, replace TCM.

Oct 26, 2009 at 7:27 PM

SERVICE WRITER

CAR REPAIR CONTRIBUTOR
9,123 POSTS

I'd suggest you get Mitchell one or Alldata. First code:

Second code was likely a result of the first code.

Oct 26, 2009 at 7:36 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.