DTC P2074

DTC P2074  : MAP Sensor Signal Lower Than Expected

NOTE: Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems, or How to Troubleshoot the A/T System (2014 2015), or How to Troubleshoot the Brake Booster Pressure Monitoring System (2016 2017 2018 2019 2020), or How to Troubleshoot the Fuel and Emissions Systems(With Auto Idle Stop System) (2016) .
• Before you begin, check for poor connections or a blockage at the intake air duct.

DTC (PGM-FI)

1. MAP sensor performance check

   -1. Turn the vehicle to the ON mode.

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

   Signal	Malfunction Threshold		Current conditions
   	Values	Unit	Values	Unit
   MAP SENSOR	Less than 54.1	kPa
   	Less than 1.61	V

   Did the value maintain the malfunction threshold for 5 seconds or more?

   YES 

   Replace the MAP sensor .

   NO 

   Go to step 2.

2. Problem verification

   -1. Clear the DTC with the HDS.

   - 2. Start the engine. Hold the engine speed at 3, 000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.

   - 3. Test-drive under these conditions:

   • Engine coolant temperature (ECT SENSOR 1) above 158 °F (70 °C)
   • Engine speed at 1, 400 rpm or more
   • Transmission in D
   • Vehicle speed accelerated to 15 mph (24 km/h) or more under half throttle

   Signal	Current conditions
   	Values	Unit
   ECT SENSOR 1
   ENGINE SPEED
   VEHICLE SPEED

   - 4. Monitor the OBD STATUS for DTC P2074 in the DTCs MENU with the HDS.

   DTC Description	OBD STATUS
   P2074 MAP Sensor Signal Lower Than Expected

   Does the HDS indicate FAILED?

   YES 

   The failure is duplicated. Replace the MAP sensor .

   NO 

   If the HDS indicates PASSED, 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 HDS indicates NOT COMPLETED, go to step 2-2 and recheck.