DTC P0230: Fuel Pump Primary Circuit: Procedure

1. Inspect the F/PMP relay. Refer to ON-VEHICLE INSPECTION [03/2012 - ] - Step 3 .

NG → REPLACE F/PMP RELAY 

OK: Go to next step 

1. Remove the F/PMP relay from the engine room relay block.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   F/PMP relay terminal 2 - Body ground	Cranking	11 to 14 V
   F/PMP relay terminal 2 - Body ground	Engine switch on (IG)	0 to 3 V

   TEXT IN ILLUSTRATION
   
   

   *1	Engine Room Relay Block

3. Reinstall the F/PMP relay.

NG → See step   4 

OK: Go to next step 

1. Remove the F/PMP relay from the engine room relay block.
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   F/PMP relay terminal 1 - A43-48 (FPR)	Always	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connection	Condition	Specified Condition
   F/PMP relay terminal 1 or A43-48 (FPR) - Body ground	Always	10 kΩ or higher

4. Reconnect the ECM connector.
5. Reinstall the F/PMP relay.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (F/PMP RELAY - ECM) 

OK → See step   5