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Home >> Isuzu >> 2002 >> Trooper Limited, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Self-Diagnostic System >> Miscellaneous Tests >> Relays Test
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Relays Test

Relays test is used to test operation of Fuel Pump (FP) and A/C clutch relays.

  1. Connect TECH 2 or equivalent scan tool to Data Link Connector (DLC). DLC is located at lower left side of instrument panel, behind a small cover. Turn ignition on, and go to next step.
  2. on scan tool, select F3: MISCELLANEOUS TESTS. From application menu, select F1: RELAYS, and go to next step.
  3. Follow scan tool directions to test FP and A/C clutch relays.
  4. If relays test as specified, testing is complete. If FP relay fails test, test FP relay. See FUEL SYSTEM in SYSTEM & COMPONENT TESTING article. If A/C clutch relay fails test, test relay.

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