TL V6-3.2L (2004)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - MIL ON/Misfire DTC's Set
03-033
December 16, 2003
Applies To:
2004 TL - From VIN 19UUA6...4A000001 thru 19UUA6...4A012154
MIL Comes On With DTCs P0300, P0301, and P0305
SYMPTOM
The MIL is on, and DTCs P0300 (random misfire), P0301 and P0305 are set.
PROBABLE CAUSE
In the ECM/PCM software, the parameters for monitoring misfires at high RPM are too narrow, causing the codes to set.
CORRECTIVE ACTION
Use the Honda Interface Module (HIM) to update the ECM/PCM.
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Operation Number:
123505
Flat Rate Time:
0.3 hour
Failed Part:
P/N 37520-RDA-A51
Defect Code:
03214
Symptom Code:
03203
Skill Level:
Repair Technician
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone
Office. You must request consideration, and get a decision, before starting work.
REPAIR PROCEDURE
1.
Connect the Honda Diagnostic System (HDS) to the DLC (data link connector), and check for DTCs.
^
If DTCs P0300 (random misfire), P0301 and P0305 are stored, go to step 2.
^
If another DTC is also stored, refer to the 2004 TL Service Manual for the appropriate troubleshooting.
2.
If not already done, load the December 2003 or later iN network CD onto the iN master terminal. Loading instructions were included along with
the CD mailing.
3.
Make sure the vehicle battery is fully charged.
4.
Update the ECM/PCM with the HIM [see service bulletin 01-026, Using the Honda Interface Module (HIM) to Update the ECM/PCM].
5.
Connect the HDS to the data link connector (DLC). Use the HDS to clear any DTCs that may have been set during the ECM/PCM update.
6.
Do the idle learn procedure:
^
Make sure all electrical accessories (A/C, radio, lights, etc.) are off.
^
Start the engine, and let it run until it reaches normal operating temperature (the cooling fans cycle twice).