ECU Power Source Circuit [10/2018 - 07/2022]: Procedure

1. Disconnect the C36 TCM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C36-2 (E1) - Body ground	Always	Below 1 Ω

3. Connect the C36 TCM connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Disconnect the C36 TCM 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	Switch Condition	Specified Condition
   C36-1 (+B) - Body ground	Engine switch on (IG)	11 to 14 V

4. Connect the C36 TCM connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [10/2018 - 07/2022] 

Result: 

NG 

See step  3

1. Disconnect the EFI-MAIN NO. 1 Relay.
2. Disconnect the C36 TCM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   C36-1 (+B) - EFI-MAIN NO. 1 (3)	Always	Below 1 Ω
   C36-1 (+B) or EFI-MAIN NO. 1 (3) - Body ground	Always	10 kΩ or higher

4. Connect the C36 TCM connector.
5. Connect the EFI-MAIN NO. 1 Relay.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

GO TO ECM POWER SOURCE CIRCUIT (ENGINE CONTROL SYSTEM / SFI SYSTEM). Refer to  ECM Power Source Circuit [10/2018 - 07/2022] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR