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Home >> Suzuki >> 2002 >> Grand Vitara JLS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1410: Fuel Tank Pressure Control System Malfunction >> Diagnosis & Repair Procedure
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Diagnosis & Repair Procedure

  1. If engine system check has been performed, go to next step. If engine system check has not been performed, see and perform A4: ENGINE SYSTEM CHECK  under SYSTEM TESTS and go to next step.
  2. Remove ECM (PCM) cover. With ignition ON leaving engine OFF, check voltage between ECM (PCM) connector C51-3 terminal No. 18 and ground. If voltage is 10-14 volts, go to next step. If voltage is not 10-14 volts, check for faulty Blue/Black wire or faulty tank pressure control solenoid vacuum valve. Repair as necessary and go to DTC CONFIRMATION TEST  .
  3. With engine running, check voltage between ECM (PCM) connector C51-3 terminal No. 18 and ground. If voltage is 0-1V, go to next step. Check for intermittent trouble referring to INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. If OK, substitute a known-good ECM (PCM) and recheck.
  4. Check for intermittent trouble referring to INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. If OK, substitute a known-good ECM (PCM) and recheck.
  5. Check for poor connection at ECM (PCM) connector C51-3 terminal No. 18. If OK, substitute known-good ECM (PCM) and recheck.
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