DTC P0230: Fuel Pump Primary Circuit: Procedure

CHECK FOR DTC (B1500)
1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Trouble Codes.
5. Read DTCs.
  OK
  
  B1500 is not output.
NG → See step 19

OK: Go to next step
PERFORM ACTIVE TEST USING TECHSTREAM (FUEL PUMP)
1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON and turn the Techstream on.
3. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump/Speed.
4. Check whether operating sounds can be heard while operating the fuel pump using the Techstream.
  OK
  
  Operating sounds can be heard from fuel pump.
NG → See step 6

OK: Go to next step
CHECK HARNESS AND CONNECTOR (FUEL PUMP CONTROL ECU ASSEMBLY - ECM, BODY GROUND). Refer to PROCEDURE - Step 15
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step
REPLACE FUEL PUMP CONTROL ECU ASSEMBLY. Refer to PROCEDURE - Step 16
NEXT: Go to next step
CHECK WHETHER DTC OUTPUT RECURS (DTC P0230)
1. Check that there are 17 liters (18 US qts, 15 Imp. qts) or more of fuel remaining.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Turn the Techstream on.
5. Clear the DTCs. Refer to DTC CHECK / CLEAR .
6. Start the engine and idle it for 5 minutes.
7. Drive the vehicle in an urban area for approximately 10 minutes.
8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
9. Read DTCs.
  OK
  
  DTC P0230 is not output.
NG → See step 17

OK → END
INSPECT CIRCUIT OPENING RELAY (C/OPN). Refer to PROCEDURE - Step 18
NG → See step 16

OK: Go to next step
INSPECT CIRCUIT OPENING RELAY (C/OPN) (POWER SOURCE VOLTAGE). Refer to PROCEDURE - Step 19
NG → See step 14

OK: Go to next step
CHECK HARNESS AND CONNECTOR (CIRCUIT OPENING RELAY (C/OPN) - ECM, FUEL PUMP CONTROL ECU ASSEMBLY). Refer to PROCEDURE - Step 20
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step
CHECK HARNESS AND CONNECTOR (FUEL PUMP - FUEL PUMP CONTROL ECU ASSEMBLY). Refer to PROCEDURE - Step 21
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step
INSPECT FUEL PUMP
1. Inspect the fuel pump. Refer to INSPECTION .
NG → See step 18

OK: Go to next step
CHECK HARNESS AND CONNECTOR (FUEL PUMP CONTROL ECU ASSEMBLY - ECM, BODY GROUND). Refer to PROCEDURE - Step 23
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step
REPLACE FUEL PUMP CONTROL ECU ASSEMBLY. Refer to PROCEDURE - Step 24
NEXT: Go to next step
CHECK WHETHER DTC OUTPUT RECURS (DTC P0230)
1. Check that there are 17 liters (18 US qts, 15 Imp. qts) or more of fuel remaining.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON.
4. Turn the Techstream on.
5. Clear the DTCs. Refer to DTC CHECK / CLEAR .
6. Start the engine and idle it for 5 minutes.
7. Drive the vehicle in an urban area for approximately 10 minutes.
8. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
9. Read DTCs.
  OK
  
  DTC P0230 is not output.
NG → See step 17

OK → END
CHECK HARNESS AND CONNECTOR (CIRCUIT OPENING RELAY (C/OPN) - EFI RELAY, IGNITION SWITCH). Refer to PROCEDURE - Step 26
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 15
GO TO ECM POWER SOURCE CIRCUIT. Refer to ECM Power Source Circuit
REPLACE CIRCUIT OPENING RELAY (C/OPN). Refer to ON-VEHICLE INSPECTION
REPLACE ECM. Refer to REMOVAL
REPLACE FUEL PUMP. Refer to REMOVAL
GO TO DTC B1500. Refer to DTC B1500: Fuel Sender Open Detected