snap-on
2004-02-01, 05:51 PM
Mazda Repair Info (http://www.mazda6tech.com/tsb/6iEngineCrank.pdf) <-- Click here for TSB
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2.3L ENGINE CRANKS BUT NO START-SETS DTC P0335
Applicable Models
Model Starting S/N Ending S/N
2003 MAZDA6 00000000 ZZZZZZZZ
The vehicle will crank but will will not start. The MIL is turned ON, and DTC P0335 is stored in the PCM. This is caused by the PCM calibration incorrectly reading the signal of the Crankshaft Position Position Sensor at a very specific engine RPM. If the following are met, the check engine light will illuminate and set P0335 Engine cranks at 160 RPM's. Normal engine cranking is approx. 250 RPMs No signal from Crankshaft Position Sensor due to unknown conditions or the PCM may be incorrectly reading the signal from the Crankshaft Position Sensor. If the above conditions last for 4.2 seconds or longer, the check engine light will illuminate and set P0335. A revised PCM calibration is available on WDS B24.6 or later software. 1. Verify concern. 2. Using WDS B24.6 or later software, reprogram the PCM to the latest calibration by following the "Module Reprogramming" procedure. See below for calibration information. Model File name New PCM calibration P/N 2.3L AT L335EN040 L335-18-881N 2.3L MT L334EN040 L334-18-881N 3. After performing the PCM reprogramming procedure make sure that you perform "Self-Test", "ALLCMDTC's" and erase any stored DTC's that appear after reprogramming. NOTE: It is normal for some U**** DTC's and possibly C1119 to be stored after reprogramming modules on Mazda6 with WDS B24 software. After theseDTC's are cleared, no DTC's should be present. 4.If any DTC(s) remain, after performing DTC erase, diagnose the code(s)as per the 2003 Mazda6 Troubleshooting section for that DTC. If no DTC's remain after erasing, then roadtest the vehicle to verify the repair is complete and that the MIL light does not illuminate and no DTC"s are stored during the road test.
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2.3L ENGINE CRANKS BUT NO START-SETS DTC P0335
Applicable Models
Model Starting S/N Ending S/N
2003 MAZDA6 00000000 ZZZZZZZZ
The vehicle will crank but will will not start. The MIL is turned ON, and DTC P0335 is stored in the PCM. This is caused by the PCM calibration incorrectly reading the signal of the Crankshaft Position Position Sensor at a very specific engine RPM. If the following are met, the check engine light will illuminate and set P0335 Engine cranks at 160 RPM's. Normal engine cranking is approx. 250 RPMs No signal from Crankshaft Position Sensor due to unknown conditions or the PCM may be incorrectly reading the signal from the Crankshaft Position Sensor. If the above conditions last for 4.2 seconds or longer, the check engine light will illuminate and set P0335. A revised PCM calibration is available on WDS B24.6 or later software. 1. Verify concern. 2. Using WDS B24.6 or later software, reprogram the PCM to the latest calibration by following the "Module Reprogramming" procedure. See below for calibration information. Model File name New PCM calibration P/N 2.3L AT L335EN040 L335-18-881N 2.3L MT L334EN040 L334-18-881N 3. After performing the PCM reprogramming procedure make sure that you perform "Self-Test", "ALLCMDTC's" and erase any stored DTC's that appear after reprogramming. NOTE: It is normal for some U**** DTC's and possibly C1119 to be stored after reprogramming modules on Mazda6 with WDS B24 software. After theseDTC's are cleared, no DTC's should be present. 4.If any DTC(s) remain, after performing DTC erase, diagnose the code(s)as per the 2003 Mazda6 Troubleshooting section for that DTC. If no DTC's remain after erasing, then roadtest the vehicle to verify the repair is complete and that the MIL light does not illuminate and no DTC"s are stored during the road test.
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