Stop and Start Cancel Switch Circuit [12/2019 - 10/2022]: Procedure

1. Read the value when the stop and start system cancel switch (ecorun cancel switch assembly) is pressed.

   Powertrain > Stop and Start > Data List 

   Tester Display
   Stop&Start Cancel Switch

   OK

   GTS Display	Condition	Normal Condition
   Stop&Start Cancel Switch	Stop and start system cancel switch (ecorun cancel switch assembly) is pressed	ON
   	Stop and start system cancel switch (ecorun cancel switch assembly) is not pressed	OFF

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2019 - ] 

Result: 

NG 

See step  2

Refer to INSPECTION [12/2019 - ]

Result

Result: 

NG 

REPLACE STOP AND START SYSTEM CANCEL SWITCH (ECORUN CANCEL SWITCH ASSEMBLY). Refer to  REMOVAL [12/2019 - ] 

Result: 

OK 

See step  3

1. Disconnect the stop and start system cancel switch (ecorun cancel switch assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P7-2 (GND) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Disconnect the engine stop and start ECU connector.
2. Disconnect the stop and start system cancel switch (ecorun cancel switch assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H66-5 (ECAN) - P7-5 (ECU)	Always	Below 1 Ω
   H66-5 (ECAN) or P7-5 (ECU) - Body ground and other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [12/2019 - 10/2022] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR