TL V6-3.2L (2004)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - MIL ON/DTC P2195 or P2197 Set
04-016
July 23, 2004
Applies To:
2004 TL - ALL
MIL Comes On With DTC P2195 or P2197
(Supersedes 04-016, dated May 21, 2004)
Updated information is shown by asterisks and black bars.
SYMPTOM
The MIL is on, and DTC P2195 (rear air fuel ratio sensor signal stuck lean) or P2197 (front air fuel ratio sensor signal stuck lean) is set.
PROBABLE CAUSE
The ECM/PCM software incorrectly interprets sensor inputs, causing the codes to set.
*CORRECTIVE ACTION
Using the HDS, update the ECM/PCM.*
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Failed Part:
P/N 37820-RDA-A04
Defect Code:
07201
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
NOTE:
^
Before you update an ECM/PCM, make sure the battery in the vehicle is fully charged.
^
To prevent ECM/PCM damage, do not operate anything electrical (audio system, brakes, A/C, power windows, moonroof, etc.) during the
update.
1.
Use the HDS to read and clear the DTCs.
2.
Use the HDS to update the EGM/PGM:
