Circuit/System Testing

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

Ignition/Vehicle - Off
Verify the condition does not exist: Fuel - Contaminated/Poor Quality - Refer to: Contaminants-in-Fuel Diagnosis
- If a condition exists
  Repair or replace as necessary
- Go to next step: If no condition exists
Ignition/Vehicle & All vehicle systems - Off
Disconnect the electrical connector: K111 Fuel Pump Power Control Module
Ignition - On/Vehicle - In Service Mode
Test for less than 1 V between the test points:
- Control circuit terminal 8 & Ground
- Control circuit terminal 9 & Ground
- Control circuit terminal 24 & Ground
- If 1 V or greater
  Repair the short to voltage on the circuit.
- Go to next step: If less than 1 V
Ignition/Vehicle & All vehicle systems - Off
Test for infinite resistance between the test points:
- Control circuit terminal 8 & Ground
- Control circuit terminal 9 & Ground
- Control circuit terminal 24 & Ground
- If less than infinite resistance
  Repair the short to ground on the circuit.
- Go to next step: If infinite resistance
Disconnect the electrical connector: A7 Fuel Tank Fuel Pump Module
Test for less than 2 ohms between the test points:
- Control circuit terminal 8 @Control module harness & Terminal 1 @ Component harness
- Control circuit terminal 9 @Control module harness & Terminal 2 @ Component harness
- Control circuit terminal 24 @Control module harness & Terminal 3 @ Component harness
- If 2 ohms or greater
  Repair the open/high resistance in the circuit.
- Go to next step: If less than 2 ohms
Replace the component: A7 Fuel Tank Fuel Pump Module
Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
- If the DTC sets
  Replace the component: K111 Fuel Pump Power Control Module
- Go to next step: If the DTC does not set
All OK.