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HOMESERVICE MANUALSHONDA2006PILOT EX, 3.5 YF2, J35A9REPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING/AIR CONDITIONINGFRONT POWER TRANSISTOR TEST
2006 Honda Pilot EX, 3.5 YF2, J35A9

Front Power Transistor Test

2006 Honda Pilot EX, 3.5 YF2, J35A9SECTION Front Power Transistor Test
  1. Disconnect the 5P connector from the power transistor.
  2. Measure the resistance between the No. 1 and No. 4 terminals of the power transistor. It should be about 1.4-1.5 kΩ.
    • If the resistance is within the specifications, go to step  3.
    • If the resistance is not within the specifications, replace the power transistor.
      Fig 1: Checking Resistance Between No. 1 & No. 4 Terminals Of Power Transistor
      G04246862Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Carefully release the lock tab on the No. 3 terminal (ORN/BLK) (A) in the 5P connector, then remove the terminal and insulate it from body ground.
    Fig 2: Removing Terminal (ORN/BLK)
    G04246863Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Reconnect the 5P connector to the power transistor.
  5. Supply 12 V to the No. 3 cavity with a jumper wire.
  6. Turn the ignition switch ON (II), and check that the blower motor runs.
    • If the blower motor does not run, replace the power transistor.
    • If the blower motor runs, the power transistor is OK.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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