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 [06/2020 - 08/2020]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
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
   DTC P21CF-13, P21D0-13, P21D1-13 or P21D2-13 is output	A
   DTC P21CF-13, P21D0-13, P21D1-13 and P21D2-13 are output	B

Result: 

B 

REPAIR OR REPLACE HARNESS OR CONNECTOR (IG2 NO. 1 RELAY - PORT FUEL INJECTOR ASSEMBLY) 

Result: 

A 

See step  2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E1-1 - Body ground	Ignition switch ON	11 to 14 V
   E2-1 - Body ground	Ignition switch ON	11 to 14 V
   E3-1 - Body ground	Ignition switch ON	11 to 14 V
   E4-1 - Body ground	Ignition switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (IG2 NO. 1 RELAY - PORT FUEL INJECTOR ASSEMBLY) 

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
   E1-2 - C45-76 (#10)	Always	Below 1 Ω
   E2-2 - C45-75 (#20)	Always	Below 1 Ω
   E3-2 - C45-74 (#30)	Always	Below 1 Ω
   E4-2 - C45-73 (#40)	Always	Below 1 Ω
   E1-2 or C45-76 (#10) - Body ground and other terminals	Always	10 kΩ or higher
   E2-2 or C45-75 (#20) - Body ground and other terminals	Always	10 kΩ or higher
   E3-2 or C45-74 (#30) - Body ground and other terminals	Always	10 kΩ or higher
   E4-2 or C45-73 (#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 [11/2018 - ]

   HINT: 

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

   Refer to INITIALIZATION [10/2019 - 08/2020]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

Refer to REMOVAL [02/2019 - 08/2020]

Result: 

NG 

REPLACE PORT FUEL INJECTOR ASSEMBLY 

Refer to REMOVAL [06/2020 - 08/2020]