DTC P0230: Fuel Pump Primary Circuit: Procedure

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard voltage

   Tester Connection	Condition	Specified Condition
   A14-6 (FPR) - E3-1 (E1)	STA signal ON	9 to 14 V
   A14-6 (FPR) - E3-1 (E1)	STA signal OFF	0 to 3 V

NG → See step   4 

OK: Go to next step 

1. Inspect the F/PMP relay. Refer to ON-VEHICLE INSPECTION [09/2012 - ] .

NG → REPLACE FUEL PUMP RELAY (F/PMP) 

OK: Go to next step 

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the F/PMP relay from the engine room No. 2 relay block.
2. Disconnect the A14 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 (2) - A14-6 (FPR)	Always	Below 1 Ω

   Standard resistance (Check for short)

   Tester Connection	Condition	Specified Condition
   F/PMP relay (2) or A14-6 (FPR) - Body Ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5