DTC P104A: VALVEMATIC SDOWN Circuit [08/2013 - 08/2016]: 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: Powertrain / Engine and ECT / Trouble Codes.
5. Read the DTCs.

   Powertrain > Engine and ECT > Trouble Codes 

   Result

   Result	Proceed to
   DTC P104A is output	A
   DTC P1049 is output at same time as DTC P104A	B

Result:  2

B 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2013 - 08/2014]  Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2014 - 08/2015]  Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2015 - 08/2016] 

Result:  1

A 

See step  2

1. Disconnect the continuously variable valve lift controller assembly connector.
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
   B40-3 (SDWN) - B33-49 (SDWN)	Always	Below 1 Ω
   B40-3 (SDWN) or B33-49 (SDWN) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE ECM. Refer to  REMOVAL [08/2013 - 08/2016] 

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR