Tachometer Malfunction: Procedure

1. Check for the DTC. 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   7 

A: Go to next step 

1. Operate the Techstream according to the display and select "Active Test".

   OK

   Needle indication is normal.

   COMBINATION METER:
   
   

   Tester Display	Test Part	Control Range
   Tachometer operation	Tachometer	0, 1000, 2000, 3000, 4000, 5000, 6000, 7000

   HINT: 

   Confirm that the vehicle is stopped and engine is idling.

NG → See step   8 

OK: Go to next step 

1. Operate the Techstream according to the display and select "Data List".

   OK

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

   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

NG → See step   4 

OK → See step   9 

1. Operate the Techstream according to the display and select "Data List".

   OK

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

   ENGINE:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Speed	Engine speed / Min.: 0, Max.: 16383.75	Idling: 700 to 800	Unit: RPM

NG → See step   10 

OK: Go to next step 

1. Temporarily replace the No. 1 meter ECU with a new one. Refer to DISASSEMBLY .

NEXT: Go to next step 

1. Check the operation of the tachometer returns to normal. Refer to OPERATION CHECK .

   OK

   Operation of tachometer returns to normal.

NG → See step   11 

OK → END (NO. 1 METER ECU IS DEFECTIVE)