VC Output Circuit: Procedure

1. Check that the Malfunction Indicator Lamp (MIL) illuminates when turning the power switch on (IG).

   OK

   MIL lights up.

NG → See step   2 

OK → See step   12 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Check the communication between the Techstream and ECM.
   RESULT
   
   

   Result	Proceed to
   Communication is not possible	A
   Communication is possible	B

B → See step   10 

A: Go to next step 

1. Disconnect the throttle position sensor connector.
2. Turn the power switch on (IG).
3. Check the MIL.
   RESULT
   
   

   Result	Proceed to
   MIL does not illuminate	A
   MIL illuminates	B

B → See step   11 

A: Go to next step 

1. Disconnect the camshaft position sensor connector.
2. Turn the power switch on (IG).
3. Check the MIL.
   RESULT
   
   

   Result	Proceed to
   MIL does not illuminate	A
   MIL illuminates	B

B → See step   13 

A: Go to next step 

1. Disconnect the manifold absolute pressure sensor connector.
2. Turn the power switch on (IG).
3. Check the MIL.
   RESULT
   
   

   Result	Proceed to
   MIL does not illuminate	A
   MIL illuminates	B

B → See step   15 

A: Go to next step 

1. Disconnect the canister pump module connector.
2. Turn the power switch on (IG).
3. Check the MIL.
   RESULT
   
   

   Result	Proceed to
   MIL does not illuminate	A
   MIL illuminates	B

B → See step   14 

A: Go to next step 

1. Disconnect the fuel tank pressure sensor connector.
2. Turn the power switch on (IG).
3. Check the MIL.
   RESULT
   
   

   Result	Proceed to
   MIL does not illuminate	A
   MIL illuminates	B

B → See step   16 

A: Go to next step 

1. Disconnect the throttle position sensor connector.
2. Disconnect the camshaft position sensor connector.
3. Disconnect the manifold absolute pressure sensor connector.
4. Disconnect the canister pump module connector.
5. Disconnect the fuel tank pressure sensor connector.
6. Disconnect the ECM connector.
7. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D4-5 (VC) or D28-88 (VCTA) - Body ground	Always	10 kΩ or higher
   D18-3 (VC) or D28-99 (VCV1) - Body ground	Always	10 kΩ or higher
   D3-3 (VC) or D28-72 (VCPM) - Body ground	Always	10 kΩ or higher
   z32-6 (VCC) or D28-113 (VCPP) - Body ground	Always	10 kΩ or higher
   z33-3 (VC) or A57-57 (VPTK) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   9