DTC P21CF-13: Cylinder 1 Injector "B" Circuit Open; DTC P21D0-13: Cylinder 2 Injector "B" Circuit Open; DTC P21D1-13: Cylinder 3 Injector "B" Circuit Open; DTC P21D2-13: Cylinder 4 Injector "B" Circuit Open [10/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine / Trouble Codes.
5. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   P21CF-13, P21D0-13, P21D1-13 or P21D2-13 is output	A
   P21CF-13, P21D0-13, P21D1-13 and P21D2-13 are output	B

Result: 

B 

See step  5

Result: 

A 

See step  2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the port fuel injector assembly connector.
2. Turn the engine switch on (IG).
3. Measure the voltage according to the value(s) in the table below

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   K5-1 - Body ground	Engine switch on (IG)	11 to 14 V
   K6-1 - Body ground	Engine switch on (IG)	11 to 14 V
   K7-1 - Body ground	Engine switch on (IG)	11 to 14 V
   K8-1 - Body ground	Engine switch on (IG)	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  5

Result: 

OK 

See step  3

1. Disconnect the port fuel injector assembly connector.
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K5-2 - F67-57 (#10)	Always	Below 1 Ω
   K6-2 - F67-54 (#20)	Always	Below 1 Ω
   K7-2 - F67-55 (#30)	Always	Below 1 Ω
   K8-2 - F67-56 (#40)	Always	Below 1 Ω
   K5-2 or F67-57 (#10) - Body ground and other terminals	Always	10 kΩ or higher
   K6-2 or F67-54 (#20) - Body ground and other terminals	Always	10 kΩ or higher
   K7-2 or F67-55 (#30) - Body ground and other terminals	Always	10 kΩ or higher
   K8-2 or F67-56 (#40) - Body ground and other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Inspect the port fuel injector assembly.

   Refer to INSPECTION [10/2015 - ]

   HINT: 

   Perform "Inspection After Repair" after replacing the port fuel injector assembly.

   Refer to INITIALIZATION [10/2015 - 10/2018] , or refer to INITIALIZATION [10/2018 - 11/2019] , or refer to INITIALIZATION [11/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [10/2015 - ] 

Result: 

NG 

REPLACE PORT FUEL INJECTOR ASSEMBLY. Refer to  REMOVAL [10/2015 - ] 

1. Disconnect the port fuel injector assembly connector.
2. Disconnect the semiconductor pwr integration ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2G-3 - K5-1	Always	Below 1 Ω
   2G-3 - K6-1	Always	Below 1 Ω
   2G-3 - K7-1	Always	Below 1 Ω
   2G-3 - K8-1	Always	Below 1 Ω
   2G-3 or K5-1 - Body ground and other terminals	Always	10 kΩ or higher
   2G-3 or K6-1 - Body ground and other terminals	Always	10 kΩ or higher
   2G-3 or K7-1 - Body ground and other terminals	Always	10 kΩ or higher
   2G-3 or K8-1 - Body ground and other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE SEMICONDUCTOR POWER INTEGRATION ECU. Refer to  REMOVAL [09/2014 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR