DTC Troubleshooting: P2118 (40)
  1. At the throttle body side, measure resistance between throttle body 6P connector terminals No. 5 and No. 6 with the throttle fully closed.
Is there about 1.0 Ω or less?
YES -
Go to Step 6 .
NO -
Repair short in the wires between the ECM C3 (ETCSM− line) and C4 (ETCSM+ line), then go to Step 7 .
  1. Replace the throttle body.
  1. Reconnect all connectors and the battery.
  1. Turn the ignition switch ON (II).
  1. Reset the ECM with the HDS.
  1. Do the ECM idle learn procedure.
  1. Turn the ignition switch OFF.
  1. Turn the ignition switch ON (II).
  1. Slowly press the accelerator pedal to the floor.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P2118 indicated?
YES -
Check for poor connections or loose terminals at the throttle body and the ECM, then go to Step 1 .
NO -
Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■
  1. Reconnect all connectors.
  1. Update the ECM if it does not have the latest software, or substitute a known-good ECM.
  1. Turn the ignition switch OFF.
  1. Turn the ignition switch ON (II).
  1. Slowly press the accelerator pedal to the floor.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P2118 indicated?
YES -
Check for poor connections or loose terminals at the throttle body and the ECM. If the ECM was updated, substitute a known-good ECM, then go to Step 17 . If the ECM was substituted, go to Step 1 .
NO -
If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■