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DTC P00DB

DTC P00DB  : Outside Air Temperature Sensor B Circuit Low

NOTE:
DTC Description Confirmed DTC Pending DTC
P00DB Outside Air Temperature Sensor B Circuit Low    

DTC (PGM-FI)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Clear the DTC with the HDS.

    -3. Turn the vehicle to the OFF (LOCK) mode.

    -4. Turn the vehicle to the ON mode, and wait 8 seconds.

    -5. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC
    P00DB Outside Air Temperature Sensor B Circuit Low    

    DTC (PGM-FI)

    Is DTC P00DB indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at outside air temperature sensor B and the climate control unit. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot .

  2. Outside air temperature sensor B check

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Outside air temperature sensor B 2P connector

    -3. Turn the vehicle to the ON mode.

    -4. Clear the DTC with the HDS.

    -5. Turn the vehicle to the OFF (LOCK) mode.

    -6. Turn the vehicle to the ON mode, and wait 8 seconds.

    -7. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC
    P00DB Outside Air Temperature Sensor B Circuit Low    

    DTC (PGM-FI)

    Is DTC P00DB indicated?

    YES 

    Go to step 3.

    NO 

    Replace the outside air temperature sensor B .

  3. Shorted wire check (TAM B line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Climate control unit connector B (24P)

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
      Outside air temperature sensor B 2P connector: disconnected
      Climate control unit connector B (24P): disconnected
    Test point 1 Climate control unit connector B (24P) No. 3
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short in the TAM B wire between the climate control unit (B3) and outside air temperature sensor B.

    NO 

    The TAM B wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good climate control unit , then recheck. If DTC P00DB goes away and the climate control unit was substituted, replace the original climate control unit .