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; DTC P21D3-13: Cylinder 5 Injector "B" Circuit Open; DTC P21D4-13: Cylinder 6 Injector "B" Circuit Open [12/2019 - 10/2022]: Procedure

1. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   P21CF-13, P21D0-13, P21D1-13, P21D2-13, P21D3-13 or P21D4-13 is output	A
   P21CF-13, P21D0-13, P21D1-13, P22D2-13, P21D3-13 and P21D4-13 are output	B

Result: 

B 

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

Result: 

A 

See step  2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the fuel injector assembly (for port injection) 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
   D5-1 (#7) - Body ground	Ignition switch ON	11 to 14 V
   D10-1 (#7) - Body ground	Ignition switch ON	11 to 14 V
   D7-1 (#9) - Body ground	Ignition switch ON	11 to 14 V
   D8-1 (#9) - Body ground	Ignition switch ON	11 to 14 V
   D9-1 (#11) - Body ground	Ignition switch ON	11 to 14 V
   D6-1 (#11) - 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 - FUEL INJECTOR ASSEMBLY (FOR PORT INJECTION)) 

Result: 

OK 

See step  3

1. Disconnect the fuel injector assembly (for port injection) 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
   D5-2 (#70) - C54-45 (#10)	Always	Below 1 Ω
   D10-2 (#70) - C54-40 (#60)	Always	Below 1 Ω
   D7-2 (#90) - C54-41 (#30)	Always	Below 1 Ω
   D8-2 (#90) - C54-44 (#40)	Always	Below 1 Ω
   D9-2 (#110) - C54-42 (#50)	Always	Below 1 Ω
   D6-2 (#110) - C54-43 (#20)	Always	Below 1 Ω
   D5-2 (#70) or C54-45 (#10) - Body ground and other terminals	Always	10 kΩ or higher
   D10-2 (#70) or C54-40 (#60) - Body ground and other terminals	Always	10 kΩ or higher
   D7-2 (#90) or C54-41 (#30) - Body ground and other terminals	Always	10 kΩ or higher
   D8-2 (#90) or C54-44 (#40) - Body ground and other terminals	Always	10 kΩ or higher
   D9-2 (#110) or C54-42 (#50) - Body ground and other terminals	Always	10 kΩ or higher
   D6-2 (#110) or C54-43 (#20) - 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

Refer to INSPECTION [12/2019 - 10/2022]

HINT: 

Perform "Inspection After Repair" after replacing the fuel injector assembly (for port injection).

Refer to INITIALIZATION [12/2019 - 10/2022]

Result

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [12/2019 - 09/2020]  , or refer to  REMOVAL [09/2020 - 10/2022] 

Result: 

NG 

REPLACE FUEL INJECTOR ASSEMBLY (FOR PORT INJECTION). Refer to  REMOVAL [12/2019 - 10/2022]