DTC For Variable Valve Timing Control Function (ITB06-023A)
Publication date: 2008-01-24Reference number: ITB06-023A
Supersedes refnos: ITB06-023
DTC FOR VARIABLE VALVE TIMING CONTROL FUNCTION
TECHNICAL SERVICE BULLETIN
Reference Number(s): ITB06-023a, Date of Issue:
January 24, 2008
| INFINITI: | All 1997 - 2008 |
| CLASSIFICATION: | EM06-006a |
| APPLIED VEHICLES: | All 1997 - 2008 with Variable Valve Timing |
| APPLIED ENGINES: | VQ35; VH41, VK45; VK56 |
NOTE:
This bulletin has been amended. The Applied Vehicles section has been expanded. No other changes have been made. Please discard any other copies.
IF YOU CONFIRM
The MIL is on with any of the following DTCs stored:
- P0011, P0014, P0021, P0024, P1110, P1135,NOTE: The engine may also have Camshaft Sprocket rattle noise and/or other engine noise.
ACTION
Do not replace the variable valve timing Solenoid Valve or the Sprocket(s) without performing the complete diagnostics indicated in the EC section of the Service Manual.
The first steps in the complete diagnostic are to make sure the:
- Engine oil is at the operating level; add oil if needed. Refer to the Service Manual for low oil level diagnoses if needed.
- Oil pressure is normal when measured with a gauge at the pressure switch port. Refer to the Service Manual for low oil pressure diagnoses if needed.