Inspection Procedure

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

   Standard voltage 

   STANDARD VOLTAGE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   A6-15 (FPR) - E7-7 (E1)	STA signal ON	11 to 14 V
   A6-15 (FPR) - E7-7 (E1)	STA signal OFF	0 to 3 V

NG : REPLACE ECM 

Fig 1: Identifying E7 And A6 ECM Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to Next Step 

1. Remove the F/PMP relay from the engine room No. 2 relay block.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   3 - 4	Below 1 Ω
   3 - 4	10 kΩ or more (when battery voltage is applied to terminals 1 and 2)

   Fig 2: Inspecting F/PMP Relay

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPLACE F/PMP RELAY 

OK : Go to Next Step 

1. Remove the F/PMP relay from the engine room No. 2 relay block.
2. Disconnect the A6 ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance (Check for open) 

   STANDARD RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   F/PMP relay (2) - A6-15 (FPR)	Below 1 Ω

   Standard resistance (Check for short) 

   STANDARD RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   F/PMP relay (2) or A6-15 (FPR) - Body Ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 3: Identifying F/Pump Relay From Engine Room No. 2 Relay Block

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE ECM