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Home >> Isuzu >> 1999 >> Rodeo LS 2WD V6-3.2L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> TECH 2 - Miscellaneous Tests >> Relays Test
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Relays Test

This test is conducted to check Fuel Pump Relay and A/C Clutch for proper operation.

Tech 2 must be used for this test.
Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is On.




3. Select F3: Miscellaneous Test in the Application Menu.




4. Select F1: Relay Test in the Miscellaneous Test.




5. Select F0:Fuel Pump Relay.




6. Push On soft key.
7. Control Fuel Pump Relay and check data list.
8. If the data list changes, the Fuel Pump Relay is normal.
9. Select F1: A/C Clutch Relay.
10. Run the Engine at idle.




11. Turn on Air Conditioning.
12. Push On and Off soft keys.
13. Control A/C Clutch Relay and check data list.
14. If the data list changes, the Fuel Pump Relay is normal.