Inspection Procedure

1. Measure the voltage of the ECM connectors.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   A6-15 (FPR) - E7-7 (E1)	STA signal ON	9 to 14 V
   A6-15 (FPR) - E7-7 (E1)	STA signal OFF	0 to 3 V

Fig 1: Checking ECM (FPR Voltage)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE ECM 

NG: Go to next step 

1. Remove the F/PMP relay from the engine room No. 2 relay block.
2. Measure the resistance of the F/PMP relay.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   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: Identifying F/PMP Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE 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 of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   Relay block F/PMP relay terminal 2 - A6-15 (FPR)	Below 1 Ω
   Relay block F/PMP relay terminal 2 or A6-15 (FPR) - Body Ground	10 kΩ or higher

Fig 3: Checking Wire Harness (F/PMP Relay - ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE ECM