Engine Controls - MIL ON/DTC's P2195/P2197 Set
04-016October 22, 2011
Applies To:
2004 TL - ALL
MIL Comes On With DTC P2195 or P2197
(Supersedes 04-016, dated July 23, 2011, to update the information marked by the black bars and asterisks)
REVISION SUMMARY
*Under WARRANTY CLAIM INFORMATION, the flat rate time was changed.*
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 Honda Interface Module (HIM), update the ECM/PCM with the special HIM update or the iN monthly CD, dated June 2004 or later.*
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
REPAIR PROCEDURE
1. Use the HDS to read and clear the DTCs.
*2. Update the ECM/PCM software. Refer to Service Bulletin 01-026, Updating Control Units/Modules.*
^ If you have an older database update version, re-boot your iN master terminal. This will automatically update your database.
^ CD loading instructions are included with the CD.
3. Do the ECM/PCM idle learn procedure:
^ Make sure all electrical items (A/C, audio, rear window defogger, lights, etc.) are off. Start the engine, and let it warm up to its operating temperature (the cooling fans cycle twice).
4. Do the CKP pattern learn:
^ Test-drive the vehicle on a level road: With the A/T in the Sequential Sportshift mode and in second gear, or the M/T in second or third gear, decelerate (with the throttle fully closed) from an engine speed of 2,500 rpm down to 1,000 rpm.
^ Stop the vehicle, and put the transmission into park or neutral. Set the parking brake. Do not turn off the ignition.
5. Connect the HDS to the DLC, and check the status of PULSER F/B LEARN:
^ On the Selection Menu, select PGM-FI.
^ On the Mode Menu, select Data List.
^ Check the value of PULSER F/B LEARN.
^ If the value is Completed, you are finished. Disconnect the HDS.
^ If the value is Not Completed, be sure the engine is at operating temperature, or the ECT SENSOR (1) value is 176 or higher, and return to step 5.
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