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Home >> Isuzu >> 2000 >> Rodeo LSE, 2.2 D >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.2L >> Diagnostic Trouble Code Identification >> DTC P1381: Abs Rough Road Class 2 Serial Data Fault >> Diagnostic Procedures
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Diagnostic Procedures

  1. Perform On-Board Diagnostic II (OBD-II) system check. See SELF-DIAGNOSTICS - INTRODUCTION article. After performing OBD-II system check, go to next step.
  2. Install scan tool. Turn ignition on, with engine off. Using scan tool, attempt to display ABS data. If ABS data can be displayed, go to step  4. If ABS data cannot be displayed, go to next step.
  3. Repair condition causing ABS data not to be displayed. See appropriate ANTI-LOCK article in BRAKES. If ABS data can now be displayed, go to next step. If ABS data still can not be displayed, go to step  10.
  4. Using scan tool, select CLEAR INFO or CLEAR DTCS function to clear DTCs. Review FREEZE FRAME data and note parameters. Start engine and operate vehicle within conditions required for setting this DTC, and as close to conditions recorded in FREEZE FRAME as possible. If a misfire DTC sets, go to next step. If a misfire DTC did not set, go to step  8.
  5. If DTC P1380 also set, go to next step. If DTC P1380 did not set, go to step  7.
  6. If ABS data can be displayed, go to step  10. If ABS data cannot be displayed, go to step  4.
  7. Repair condition causing misfire as necessary. After repair is completed, go to next step.
  8. Using scan tool, select CLEAR INFO or CLEAR DTCS function to clear DTCs. Start engine and allow it to idle. Ensure engine is at normal operating temperature. Operate vehicle within conditions required for setting this DTC. Select specified DTC function then enter DTC P1381. If scan tool indicates test RAN AND PASSED, go to next step. If scan tool does not indicate test RAN AND PASSED, repeat step  2.
  9. If any other DTCs are set, diagnose DTCs as necessary. If no other DTCs are set, no problem is indicated at this time.
  10. Replace and reprogram PCM using appropriate equipment. See PROGRAMMING . After replacing PCM, go to next step.
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