Tachometer Malfunction: Procedure

1. Check if a CAN communication DTC is output. Refer to DIAGNOSIS SYSTEM [03/2012 - ] .
   RESULT
   
   

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

B → See step   9 

A: Go to next step 

1. Use the Active Test to check the operation of the tachometer. Refer to DATA LIST / ACTIVE TEST [03/2012 - ] .
   COMBINATION METER
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Tacho Meter Operation	Tachometer	0, 1000, 2000, 3000, 4000, 5000, 6000 or 7000 (rpm)	-

   OK

   Tachometer indication is normal.

NG → See step   8 

OK: Go to next step 

1. Use the Data List to check the engine speed. Refer to DATA LIST / ACTIVE TEST [03/2012 - ] .
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Rpm	Engine speed/Min.: 0 rpm, Max.: 12750 rpm	Actual engine speed	-

   OK

   Engine speed displayed on the Techstream is almost the same as the tachometer indication.

2. Record the engine speed displayed on the Techstream.

   HINT: 

   Check the engine speed when the engine is fully warmed up and the air conditioning and all electrical accessories are off.

NG → See step   10 

OK: Go to next step 

1. Use the Data List to check the engine speed. Refer to DATA LIST / ACTIVE TEST [03/2012 - ] .
   ENGINE AND ECT
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Speed	Engine speed/Min.: 0 rpm, Max.: 16383 rpm	600 to 700 rpm: When idling	-

   OK

   Engine speed displayed on the Techstream is almost the same as the previously recorded value displayed on the Techstream (Body Electrical / Combination Meter / Data List / Engine Rpm).

NG → See step   6 

OK: Go to next step 

1. Replace the combination meter assembly with a new or normally functioning one. Refer to REMOVAL [03/2012 - ] .

   OK

   The operation of the tachometer returns to normal.

NG → See step   7 

OK → END (COMBINATION METER ASSEMBLY WAS DEFECTIVE)