Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.

NOTE: Circuit/System Verification must be performed before proceeding with Circuit/System Testing.

Ignition OFF and all vehicle systems OFF. Disconnect the X2 harness connector at the K20 Engine Control Module and the X1 harness connector at the K71 Transmission Control Module. It may take up to 2 min for all vehicle systems to power down.
Test for infinite resistance between the control circuit terminal 5 at the X1 harness connector K71 Transmission Control Module and ground.
- If less than infinite resistance
  Repair the short to ground on the circuit.
- If infinite resistance
Test for less than 2 Ω in the control circuit terminal 5 at the X1 harness connector K71 Transmission Control Module end to end.
- If 2 Ω or greater
  Repair the open/high resistance in the circuit.
- If less than 2 Ω
Ignition ON, test for less than 1 V between the control circuit terminal 5 at the X1 harness connector K71 Transmission Control Module and ground.
- If 1 V or greater
  Repair the short to voltage on the circuit.
- If less than 1 V
Verify the DTC does not set while operating the vehicle under the Conditions for Running the DTC.
- If the DTC sets
  Replace the K71 Transmission Control Module.
- If the DTC does not set
All OK.