Engine Switch Illumination Circuit [10/2014 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
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.
   SMART KEY
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Power/Engine SW Light	Engine switch illumination	OFF/ON	When performing this Active Test, make sure the following condition is met: The engine switch illumination is off (15 seconds or more have elapsed since it turned from on to off) and the engine switch is on (ACC) or on (IG), or the engine is running.

   OK

   Engine switch illumination comes on.

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [10/2014 - ] )

Result: 

NG 

See step  2

1. Remove the engine switch (Refer to REMOVAL [10/2014 - ] ).
2. Inspect the engine switch (Refer to INSPECTION [10/2014 - ] ).

   OK

   Engine switch illumination is normal.

Result: 

NG 

REPLACE ENGINE SWITCH 

(Refer to REMOVAL [10/2014 - ] )

Result: 

OK 

See step  3

1. Disconnect the D64 certification ECU (smart key ECU assembly) connector.
2. Disconnect the D46 engine switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D46-9 (SWIL) - D64-16 (SWIL)	Always	Below 1 Ω
   D46-6 (AGND) - D64-24 (AGND)	Always	Below 1 Ω
   D46-9 (SWIL) - Body ground	Always	10 kΩ or higher
   D46-6 (AGND) - Body ground	Always	10 kΩ or higher

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

(Refer to REMOVAL [10/2014 - 10/2015] Refer to REMOVAL [10/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR