DTC Troubleshooting: P2033 (188)
DTC P2033:
 EGT Sensor 2 Circuit High Voltage
NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information.
  1. Start the engine, and keep idling until the engine coolant temperature becomes 70 °C (158 °F).
  1. Test-drive under these conditions:
    • Engine coolant temperature (ECT SENSOR 1) above 70 °C (158 °F)
    • On flat route
    • Transmission in 2nd gear
    • Vehicle speed above 60 km/h (38 mph)
    • Drive about 30 seconds or more
  1. Monitor the OBD STATUS for DTC P2033 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?
YES -
Go to Step 4 .
NO -
If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at EGT sensor 2 and the ECM. If the screen indicates NOT COMPLETED, go to Step 1 and recheck.
  1. Turn the ignition switch OFF.
  1. Disconnect the EGT sensor 2 2P connector.
  1. Connect EGT sensor 2 2P connector terminals No. 1 and No. 2 with a jumper wire.
  1. Turn the ignition switch ON (II).
  1. Check EXHAUST GAS TEMPERATURE (EGT) SENSOR 2 in the DATA LIST with the HDS.
Is about 4.95 V or more indicated?
YES -
Go to Step 9 .
NO -
Go to Step 15 .
  1. Turn the ignition switch OFF, and wait 2 minutes.
  1. Disconnect ECM connector No. 1 (96P).