Engine Switch Illumination Circuit [03/2017 - 06/2017]: 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: Body Electrical / Smart Key / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > Smart Key > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Power/Engine SW Light	Engine switch illumination	OFF or ON	-

   Body Electrical > Smart Key > Active Test 

   Tester Display
   Power/Engine SW Light

   OK

   Engine switch illumination comes on.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [03/2017 - 06/2017] 

Result: 

NG 

See step  2

1. Remove the engine switch.

   Refer to REMOVAL [03/2017 - ]

2. Inspect the engine switch.

   Refer to INSPECTION [03/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE ENGINE SWITCH. Refer to  REMOVAL [03/2017 - ] 

Result: 

OK 

See step  3

1. Disconnect the K62 certification ECU (smart key ECU assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K63-9 (SWIL) - K62-10 (SWIL)	Always	Below 1 Ω
   K63-6 (AGND) - K62-11 (AGND)	Always	Below 1 Ω
   K63-9 (SWIL) or K62-10 (SWIL) - Body ground	Always	10 kΩ or higher
   K63-6 (AGND) or K62-11 (AGND) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [03/2017 - 06/2017] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR