Altima V6-3.5L (VQ35) (2003)
Camshaft Position Sensor: All Technical Service Bulletins
Engine Control - Hard Start/MIL ON/DTC P0340/P0345
Classification:
EC04-018
Reference:
NTB04-063
Date:
May 24, 2004
MIL ON WITH P0340/P0345 (CMP SENSOR) AND/OR ENGINE IS HARD TO START WHEN WARM
APPLIED VEHICLES:
2003 - 2005 Altima (L31) with the VQ35DE (V6) engine only
2004 Quest (V42)
2004 Maxima (A34)
APPLIED VIN's/DATES:
2003 - 2004 Altima: All VIN's/All Dates
2005 Altima built before:
1N4BL11E(*)5C 124304/February 26, 2004
2004 Maxima built before:
1N4BA41E(*)4C 896500/February 26, 2004
2004 Quest built before:
5N1BV28U(*)4N 350542/March 01, 2004
IF YOU CONFIRM:
A MIL ON with DTC P0340 (CMP Sensor Bank 1) and/or P0345 (CMP Sensor Bank 2),
and/or
The engine is hard to start when warm, but starts OK when the engine is cold.
NOTE:
"Hard start" is engine crank time that is longer then 3 seconds.
ACTIONS:
^
If you only have DTC P0340, replace only Bank 1 CMP (Camshaft Position) Sensor.
^
If you only have DTC P0345, replace only Bank 2 CMP (Camshaft Position) Sensor.
^
If you have both codes, replace both sensors.
^
For a "hard to start warm" incident, replace both sensors, even if you have no codes.
Refer to sections EC and EM in the correct Service Manual for sensor replacement information.