Tachometer Malfunction: Procedure

1. Check for DTCs, refer to DTC CHECK / CLEAR .
   RESULT
   
   

   Result	Proceed to
   CAN communication system DTC is not output	A
   CAN communication system DTC is output	B

B → See step   6 

A: Go to next step 

1. Operate the Techstream according to the display and select Active Test, refer to DATA LIST / ACTIVE TEST .
   COMBINATION METER
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   TachoMeter Operation	Tachometer	0, 1000, 2000, 3000, 4000, 5000, 6000, 7000	Perform the test with the vehicle stopped and engine idling.

   HINT: 

   Make sure that the vehicle is stopped and the engine is idling.

   OK

   Needle indication is normal.

NG → See step   7 

OK: Go to next step 

1. Operate the Techstream according to the display and select Data List, refer to DATA LIST / ACTIVE TEST .
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine RPM	Engine speed/Min.: 0, Max.: 12750	Idling: 700 to 800	Unit: RPM

   OK

   Engine speed displayed on the Techstream is almost the same as actual engine speed.

NG → See step   4 

OK → See step   8 

1. Operate the Techstream according to the display and select Data List, refer to DATA LIST / ACTIVE TEST .
   RESULT
   
   

   Result	Proceed to
   Engine speed displayed on the Techstream is almost same as actual engine speed	A
   Engine speed displayed on the Techstream is not same as actual engine speed	B

   OK

   Engine speed displayed on the Techstream is almost the same as actual engine speed.

B → See step   9 

A → See step   5