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DTC P0105 (2025)

DTC P0105  : MAP Sensor Out of Range

NOTE:  Before you troubleshoot, review the general troubleshooting information - Refer to: HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .

DTC Description Confirmed DTC Pending DTC
P0105 MAP Sensor Out of Range    

DTC (PGM-FI)

  1. Problem verification 1

    -1. Turn the vehicle to the ON mode.

    -2. Check the parameter(s) below with the HDS.

    Signal Threshold Current conditions
    Values Unit Values Unit
    MAP SENSOR Less than 0.21 V    

    Do the current condition(s) match the threshold?

    YES 

    The failure is duplicated. Go to step 3.

    NO 

    Go to step 2.

  2. Problem verification 2

    -1. Check the parameter(s) below with the HDS.

    Signal Threshold Current conditions
    Values Unit Values Unit
    MAP SENSOR More than 3.41 V    

    Do the current condition(s) match the threshold?

    YES 

    The failure is duplicated. Go to step 7.

    NO 

    Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the MAP sensor and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot - Refer to: HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS or HOW TO TROUBLESHOOT THE ELECTRIC BRAKE BOOSTER SYSTEM .

  3. Determine possible failure area (PB line, others)

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

    -2. Disconnect the following connector.

    MAP sensor 3P connector

    -3. Turn the vehicle to the ON mode.

    -4. Check the parameter(s) below with the HDS.

    Signal Threshold Current conditions
    Values Unit Values Unit
    MAP SENSOR Less than 0.21 V    

    Do the current condition(s) match the threshold?

    YES 

    Go to step 6.

    NO 

    Go to step 4.

  4. Determine possible failure area (MAP sensor, others)

    -1. Measure the voltage between test points 1 and 2.

    Test condition

    Vehicle ON mode

    MAP sensor 3P connector: disconnected

    Test point 1

    MAP sensor 3P connector (female terminals) No. 1:

    Test point 2

    MAP sensor 3P connector (female terminals) No. 3:

    GHH643211Courtesy of HONDA, U.S.A., INC.

    Is there about 5.0 V?

    YES 

    Replace the MAP sensor MAP SENSOR/MAF SENSOR/IAT SENSOR REMOVAL AND INSTALLATION .

    NO 

    Go to step 5.

  5. Open wire check (VCC1 line)

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

    -2. Jump the SCS line with the HDS, and wait more than 1 minute.

    -3. Disconnect the following connector.

    PCM connector E (80P)

    -4. Check for continuity between test points 1 and 2.

    Test condition

    Vehicle OFF (LOCK) mode

    MAP sensor 3P connector: disconnected

    PCM connector E (80P): disconnected

    Test point 1

    MAP sensor 3P connector (female terminals) No. 3:

    Test point 2

    PCM connector E (80P) No. 50 - Refer to: PCM CONNECTOR FOR INPUTS AND OUTPUTS

    GHH643213Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ohm or less?

    YES 

    The VCC1 wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC P0105 goes away and the PCM was substituted, replace the original PCMPCM REMOVAL AND INSTALLATION .

    NO 

    Repair an open in the VCC1 wire between the PCM (E50) and the MAP sensor.

  6. Shorted wire check (PB line)

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

    -2. Jump the SCS line with the HDS, and wait more than 1 minute.

    -3. Disconnect the following connector.

    PCM connector E (80P)

    -4. Check for continuity between test points 1 and 2.

    Test condition

    Vehicle OFF (LOCK) mode

    MAP sensor 3P connector: disconnected

    PCM connector E (80P): disconnected

    Test point 1

    MAP sensor 3P connector (female terminals) No. 2:

    Test point 2

    Body ground

    GHH643215Courtesy of HONDA, U.S.A., INC.

    Is there 1 MOhm or more?

    YES 

    The PB wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC P0105 goes away and the PCM was substituted, replace the original PCM PCM REMOVAL AND INSTALLATION .

    NO 

    Repair a short in the PB wire between the PCM (E53) and the MAP sensor.

  7. Determine possible failure area (MAP sensor, others)

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

    -2. Disconnect the following connector.

    MAP sensor 3P connector

    -3. Connect terminals A and B with a jumper wire.

    Terminal A

    MAP sensor 3P connector (female terminals) No. 1:

    Terminal B

    MAP sensor 3P connector (female terminals) No. 2:

    GHH643218Courtesy of HONDA, U.S.A., INC.

    -4. Turn the vehicle to the ON mode.

    -5. Check the parameter(s) below with the HDS.

    Signal Threshold Current conditions
    Values Unit Values Unit
    MAP SENSOR More than 3.41 V    

    Do the current condition(s) match the threshold?

    YES 

    Go to step 8.

    NO 

    Replace the MAP sensor MAP SENSOR/MAF SENSOR/IAT SENSOR REMOVAL AND INSTALLATION .

  8. Determine possible failure area (SG1 line, others)

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

    -2. Remove the jumper wire from the MAP sensor 3P connector.

    -3. Turn the vehicle to the ON mode.

    -4. Measure the voltage between test points 1 and 2.

    Test condition

    Vehicle ON mode

    MAP sensor 3P connector: disconnected

    Test point 1

    MAP sensor 3P connector (female terminals) No. 1:

    Test point 2

    MAP sensor 3P connector (female terminals) No. 3:

    GHH643221Courtesy of HONDA, U.S.A., INC.

    Is there about 5.0 V?

    YES 

    Go to step 10.

    NO 

    Go to step 9.

  9. Open wire check (SG1 line)

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

    -2. Jump the SCS line with the HDS, and wait more than 1 minute.

    -3. Disconnect the following connector.

    PCM connector E (80P)

    -4. Check for continuity between test points 1 and 2.

    Test condition

    Vehicle OFF (LOCK) mode

    MAP sensor 3P connector: disconnected

    PCM connector E (80P): disconnected

    Test point 1

    MAP sensor 3P connector (female terminals) No. 1:

    Test point 2

    PCM connector E (80P) No. 49 - Refer to: PCM CONNECTOR FOR INPUTS AND OUTPUTS

    GHH643223Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ohm or less?

    YES 

    The SG1 wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC P0105 goes away and the PCM was substituted, replace the original PCMPCM REMOVAL AND INSTALLATION .

    NO 

    Repair an open in the SG1 wire between the PCM (E49) and the MAP sensor.

  10. Open wire check (PB line)

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

    -2. Jump the SCS line with the HDS, and wait more than 1 minute.

    -3. Disconnect the following connector.

    PCM connector E (80P)

    -4. Check for continuity between test points 1 and 2.

    Test condition

    Vehicle OFF (LOCK) mode

    MAP sensor 3P connector: disconnected

    PCM connector E (80P): disconnected

    Test point 1

    MAP sensor 3P connector (female terminals) No. 2:

    Test point 2

    PCM connector E (80P) No. 53 - Refer to: PCM CONNECTOR FOR INPUTS AND OUTPUTS

    GHH643225Courtesy of HONDA, U.S.A., INC.

    Is there 1.0 Ohm or less?

    YES 

    The PB wire is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC P0105 goes away and the PCM was substituted, replace the original PCMPCM REMOVAL AND INSTALLATION .

    NO 

    Repair an open in the PB wire between the PCM (E53) and the MAP sensor.

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