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Page Hits: 1964400
US BULLETIN No: 01-007/00 DATE: 04/2000
CAN BULLETIN No: 01-00-06
APPLIES TO: 2000 MPV AFFECTED VINs: Lower than JM3 LW28G* Y0 135255
SUBJECT: MIL ON DTC P0140, P0160 - Freeze Frame Data Not Available
DETAILS:
Some vehicles may exhibit MIL illumination with the following codes without freeze frame data stored in memory.
  • P0140: HO2S (Rear, RH) circuit no activity detected.
  • P0160: HO2S (Rear, LH) circuit no activity detected.

This is caused by the PCM being misprogrammed. DO NOT replace the PCM.

Customers having this concern should have their vehicle repaired using the following procedure.

REPAIR PROCEDURE

  1. Verify customer concern.
    • If DTC P0140 or P0160 is present and Freeze Frame Data is stored in memory, refer to the Workshop Manual (section 01-02A-92) and begin troubleshooting at STEP 1.
      STEP INSPECTION ACTION
      1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
      • Has FREEZE FRAME DATA been recorded?
      Yes Go to next step.
      No Record FREEZE FRAME DATA on repair order,
      then go to next step.
    • If DTC P0140 or P0160 is present and Freeze Frame Data is not stored in memory, refer to the Workshop Manual (section 01-02A-94 DIAGNOSTIC PROCEDURE), and begin troubleshooting at STEP 5 instead of STEP 1.
      STEP INSPECTION ACTION
      5 VERIFY CURRENT INPUT SIGNAL STATUS
      • Warm up engine.
      • Access RH02SR for P0140 or RH02SL for P0160PID using NGS tester.
      • Verify PID while racing engine at least 10 times (in PARK).
      • Is PID reading okay?
        • More than 0.55 V at least once during engine racing.
      Yes Go to step 8.
      No Go to next step.
  2. Verify repair.

WARRANTY INFORMATION

Note: This information applies to verified customer complaints on vehicles covered under normal warranty. Refer to the SRT microfiche for warranty term information.

Warranty Type A
Symptom Code 62 
Damage Code 9W 
Part Number Main Cause **** - 18 - 88* 
Quantity
Operation Number F0010XFX 
Labor Hours 0.7 
CONSUMER NOTICE:
The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by "do-it-yourselfers." Consumers should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies, consumers should contact their nearest authorized Mazda dealership.
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