DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit [10/2014 - 10/2015]: Procedure

1. Disconnect the ignition coil assembly connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B61-4 (GND) - Body ground	Always	Below 1 Ω
   B63-4 (GND) - Body ground	Always	Below 1 Ω
   B62-4 (GND) - Body ground	Always	Below 1 Ω
   B64-4 (GND) - Body ground	Always	Below 1 Ω

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Disconnect the ignition coil assembly connectors.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Turn the power switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   B61-1 (+B) - B61-4 (GND)	Power switch on (IG)	11 to 14 V
   B63-1 (+B) - B63-4 (GND)	Power switch on (IG)	11 to 14 V
   B62-1 (+B) - B62-4 (GND)	Power switch on (IG)	11 to 14 V
   B64-1 (+B) - B64-4 (GND)	Power switch on (IG)	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Ignition Coil Assembly)

Result: 

NG 

See step  5

Result: 

OK 

See step  3

1. Disconnect the ignition coil assembly connectors.
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
   B61-2 (IGF) - B51-51 (IGF1)	Always	Below 1 Ω
   B63-2 (IGF) - B51-51 (IGF1)	Always	Below 1 Ω
   B62-2 (IGF) - B51-51 (IGF1)	Always	Below 1 Ω
   B64-2 (IGF) - B51-51 (IGF1)	Always	Below 1 Ω
   B61-3 (IGT1) - B51-57 (IGT1)	Always	Below 1 Ω
   B63-3 (IGT2) - B51-56 (IGT2)	Always	Below 1 Ω
   B62-3 (IGT3) - B51-55 (IGT3)	Always	Below 1 Ω
   B64-3 (IGT4) - B51-54 (IGT4)	Always	Below 1 Ω
   B61-3 (IGT1) or B51-57 (IGT1) - Body ground	Always	10 kΩ or higher
   B63-3 (IGT2) or B51-56 (IGT2) - Body ground	Always	10 kΩ or higher
   B62-3 (IGT3) or B51-55 (IGT3) - Body ground	Always	10 kΩ or higher
   B64-3 (IGT4) or B51-54 (IGT4) - Body ground	Always	10 kΩ or higher
   B61-2 (IGF), B63-2 (IGF), B62-2 (IGF), B64-2 (IGF) or B51-51 (IGF1) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).
5. Shuffle the arrangement of the ignition coil assemblies (among No. 1 to No. 4 cylinders).
   NOTE:

   Do not change the location of the connectors.

6. Perform a simulation test.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
8. Read the DTCs.
   RESULT
   
   

   Result	Proceed to
   Same DTC output	A
   Different ignition coil DTC output	B

   HINT: 

   Perform "Inspection After Repair" after replacing the ignition coil assembly (Refer to INITIALIZATION [10/2014 - ] ).

Result: 

A 

REPLACE ECM 

(Refer to REMOVAL [10/2014 - ] )

Result: 

B 

REPLACE IGNITION COIL ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

1. Disconnect the ignition coil assembly connectors.
2. Remove the No. 1 integration relay from the engine room relay block and junction block assembly.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B61-1 (+B) - 1A-1	Always	Below 1 Ω
   B63-1 (+B) - 1A-1	Always	Below 1 Ω
   B62-1 (+B) - 1A-1	Always	Below 1 Ω
   B64-1 (+B) - 1A-1	Always	Below 1 Ω
   B61-1 (+B), B63-1 (+B), B62-1 (+B), B64-1 (+B) or 1A-1 - Body ground	Always	10 kΩ or higher

Result: 

OK 

REPLACE NO. 1 INTEGRATION RELAY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR