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Home >> Suzuki >> 2000 >> Swift GL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Emission Systems & Sub-Systems >> Fuel Evaporation >> Tank Pressure Control Solenoid Valve (TPCSV)

Tank Pressure Control Solenoid Valve (TPCSV)

  1. Turn ignition off. Disconnect TPCSV harness connector. Using an ohmmeter, measure resistance between terminals of TPCSV. Resistance should be 30-34 ohms on Esteem and Swift, or 28-36 ohms on Grand Vitara and Vitara at 68°F (20°C). Resistance between each terminal and body of solenoid should be one megohm or greater. If resistance is as specified, go to next step. If resistance is not as specified, replace TPCSV. Retest system.
  2. Blow into port "A". Air should flow out of filter. See Figure. Use fused jumper wires to connect battery voltage and ground to solenoid valve terminals. Blow into port "A". Air should flow out of port "B" and not to filter. If TPCSV operates as specified, check for an open or short circuit between TPCSV, PCM and main relay. See appropriate wiring diagram in WIRING DIAGRAMS article. If TPCSV does not operate as specified, replace TPSCV.
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