I30/I35; MIL "ON" WITH REAR O2 SENSOR DTC P0138/P0139/P0140/P0158/P0159/P0160/P1147/P1167

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1 Classification: Reference: Date: EC02-013a ITB02-027a July 16, I30/I35; MIL "ON" WITH REAR O2 SENSOR DTC P0138/P0139/P0140/P0158/P0159/P0160/P1147/P1167 This bulletin supersesdes ITB01-011B, and amends ITB This version updates the Service Procedure and Applied Vehicles. Please discard all paper copies of ITB and previous version of ITB APPLIED VEHICLES: I30 (CA33) 2002 I35 (CA33) IF YOU CONFIRM: An Applied Vehicle has an MIL "ON" and any of the following DTC s stored in the ECM: P0138 (Bank 1) H02S2 (Rear) (Max Voltage Monitoring) P0139 (Bank 1) H02S2 (Rear) (Response Monitoring) P0140 (Bank 1) H02S2 (Rear) (High Voltage) P1147 (Bank 1) H02S2 (Rear) (High Voltage Monitoring) P0158 (Bank 2) H02S2 (Rear) (Max Voltage Monitoring) P0159 (Bank 2) H02S2 (Rear) (Response Monitoring) P0160 (Bank 2) H02S2 (Rear) (High Voltage Monitoring) P1167 (Bank 2) H02S2 (Rear) (High Voltage Monitoring), DETERMINE IF: This bulletin applies by performing steps 1 and 2 of the Service Procedure. ACTIONS: a. Replace both rear Oxygen Sensors (HO2S2). b. Reprogram the ECM: Standard reprogramming procedure (if vehicle has a standard airflow meter, P/N AD200 or N201 see Chart A-1 on page 3), or Special reprogramming procedure using ECM ID code (if vehicle has an updated airflow meter, P/N Y001 or AM600 see Chart A-2 on page 3). IMPORTANT: The purpose of ACTIONS (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure (starting on page 2) as it contains information that is essential to successfully completing this repair. Due to the complexity of this procedure, this procedure should only be performed by a technician who is already familiar with ECM reprogramming. 1/8

2 PARTS INFORMATION DESCRIPTION PART NUMBER QUANTITY I30 Bank-1 Rear Oxygen Sensor 226A0-4L713 1 Bank-2 Rear Oxygen Sensor 226A1-4L I35 Bank-1 Rear Oxygen Sensor 226A0-5Y701 1 Bank-2 Rear Oxygen Sensor 226A1-5Y701 1 CLAIMS INFORMATION DESCRIPTION PFP OP CODE SYM DIA FRT Reprogram ECM per TSB (1) (2) DE98AA HD hrs. RPL Both Rear O2 Sensors DE51AA (3) (1) The FRT for this Op Code Contains sufficient time allowance for the required diagnosis. Do NOT claim any diagnostic Op Codes on this claim. (2) Reference the final CONSULT-II printout and use the new ECM P/N as the PFP. (3) Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT. SERVICE PROCEDURE 1. Print out the CONSULT-II Self-Diagnosis results. This print out will be used to check the ECM Part Number (determine if this bulletin applies). SYSTEM ENGINE DATE 02/23/2002 3:19:23 P/N Y700 SELF-DIAG RESULTS Current ECM Part Number See Figure 1 for an example of the CONSULT-II Self-Diagnosis printout. DTC Code DTC RESULTS TIME HO2S2 (B1) 3 [P0138] Figure 1 TP /8

3 2. Compare the vehicle's current ECM P/N (from your CONSULT-II Self Diagnosis printout) to those shown under Current ECM P/N in Chart A-1 and A-2 below. Chart A-1 (vehicles with a standard airflow meter.) Model Year Vehicle Current ECM Part Number ( Configuration A/T 2Y172 2Y171 2Y170 3Y119 3Y118 3Y116 3Y115 A/T TCS 2Y177 2Y176 2Y175 3Y164 3Y163 3Y161 3Y160 A/T 5Y005 5Y004 5Y003 5Y001 5Y000 A/T TCS 5Y015 5Y014 5Y013 5Y011 5Y A/T TCS 5Y723 5Y722 5Y721 5Y720 Chart A-2 (Vehicles with an updated airflow meter.) Model Year Vehicle Configuration Current ECM Part Number ( ASIST ECM Data ID Code A/T 3Y A/T TCS 3Y A/T 5Y060 5Y A/T TCS 5Y070 5Y A/T TCS 5Y724 6Y * TCS = Traction Control System IMPORTANT: You must use the ECM I.D. Code. The I.D. code is required to obtain the correct ECM data for resolving the symptom covered by this bulletin. A. If the ECM P/N in the vehicle does not match one of those listed under "Current ECM P/N" in Chart A-1 or A-2 above: This bulletin does not apply. Use the appropriate Electronic Service Manual (ESM) to further diagnose and repair the incident. B. If the ECM P/N in the vehicle matches one of those listed under "Current ECM P/N" in Chart A-1 or A-2 above: Proceed with this Service Procedure. 3. Replace both rear oxygen sensors HO2S2 B1 and B2. 3/8

4 Refer to Figures 2 and 3 for HO2S2 location information. O2 Sensor Location Rear muffler Bank 1 (B1) Front Tube Assembly Rear cat H02S1-B1 Front O2 sensor B1 (BLACK) B2 Pre-cat H02S2-B2 Rear O2 sensor B2 (RED) B1 Pre-Cat Front H02S1-B2 Front O2 sensor B2 (BLUE) Figure 2 H02S2-B1 Rear O2 sensor B1 (WHITE) Bank 2 (B2) TP O2 Sensor Connector Location: H02S1-B1 Front O2 sensor B1 (BLACK harness) Front Front H02S1-B2 Front O2 sensor B2 (BLUE harness) H02S2-B1 Rear O2 sensor B1 (WHITE harness) H02S2-B2 Rear O2 sensor B2 (RED harness) Figure 3 Passenger side front strut tower TP /8

5 4. Perform ECM reprogramming to install the latest available ECM data. A. For vehicles with an ECM P/N that matches one listed in Chart A-1 (vehicles with a standard airflow meter): Perform standard ECM reprogramming on page 6. If you are unfamiliar with ECM Reprogramming, click here to link to the "ECM Reprogramming For Infiniti Vehicles" general procedure or refer to Attachment A in the print copy of this bulletin. B. For vehicles with an ECM P/N that matches one listed in Chart A-2 (vehicles with an updated airflow meter): Perform Special ECM reprogramming using the ECM ID Code on page 7. If you are unfamiliar with special ECM Reprogramming, click here to link to the "SPECIAL ECM REPROGRAMMING PROCEDURE FOR ECM I.D. ENTRY " general procedure or refer to Attachment 1 in the print copy of this bulletin. This I.D. code reprogramming process is different from the standard ECM reprogramming procedures you may be used to. IMPORTANT: Some vehicles may have an updated airflow meter with matching ECM reprogramming data To make sure you obtain the correct reprogramming data, the type of airflow meter installed in the vehicle should be confirmed by checking the ECM and airflow meter part numbers (P/N). Vehicles with an ECM P/N that matches one listed in Chart A-1 on page 3 should have the standard airflow meter. a : Standard Airflow Meter P/N AD200 b. 2002: Standard Airflow Meter P/N N201 Vehicles with an ECM P/N that matches one listed in Chart A-2 on page 3 should have the updated airflow meter. a : Updated Airflow Meter P/N Y001 b. 2002: Updated Airflow Meter P/N AM600 5/8

6 Standard ECM Reprogramming For those familiar with standard ECM Reprogramming, perform the following: Maxima 2002 Update for A/T Models Update for M/T Models ECM data description window Altima 2001 Sentra Quest Pathfinder Xterra 2000 Summary To XXXXX AT Replaces XXXXX, -XXXXX, -XXXXX, -XXXXX, and -XXXXX To XXXXX AT TCS Replaces XXXXX, -XXXXX, -XXXXX, -XXXXX, and -XXXXX Summary screen Frontier CODE (per TSB only) KeyPad Back Up Main Menu NOTE: Example only, your screen may differ. Figure 4 TP A) Select model and model year for the applied vehicle (example: I35, 2002). B) Select the vehicle configuration from those listed in the upper right ECM data description window. For vehicle configuration, see Chart A-1 on page 3 Vehicle configuration example: 2002 with A/T. C) Make a note of the To number listed in the ECM Reprogramming Data Summary screen. NOTE: The To number will read: XXXXX. D) Press Continue and follow directions to perform data download from ASIST to CONSULT-II. E) When reprogramming from CONSULT-II, select the To number that you made note of in step C, above. 6/8

7 Special ECM Reprogramming Using an ID Code: Use these steps if you are familiar with this Special ECM reprogramming procedure. If you are unfamiliar with this Special ECM Reprogramming Procedure, click here or refer to Attachment 1 in the printed copy of this bulletin. 1. Click on the Keypad button (see Figure 5). ECM CODE KeyPad Help HELP? Back Up Main Menu Figure 5 TP Use the digit keys on the KeyPad (see Figure 6 below), to enter the correct ECM ID Code from Chart A-2 on page CLEAR DEL Figure 6 TP010494c 3. Then click the "Continue" button on the keypad. 7/8

8 4. Click the "Continue" button on the ECM Data Reprogramming screen (see Figure 7) to proceed to CONSULT-II setup. NTB02-109/ITB02-070, P0102/P1102 Airflow Meter Incident 2002 MY Summary To Y713 VQ35 AT Replaces Y710, -5Y711, -5Y712 ECM CODE KeyPad Back Up Main Menu NOTE: Example only, your screen may differ. Figure 7 TP010493d 5. Continue the reprogramming procedure as per SPECIAL ECM REPROGRAMMING PROCEDURE FOR ECM I.D. ENTRY; Attachment 1. 8/8