Tachometer Malfunction: Procedure

1. Check if CAN communication DTC is output. Refer to DIAGNOSIS SYSTEM .

   Result

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

B → See step   6 

A: Go to next step 

1. Connect Techstream to the DLC3.
2. Ignition switch on (IG).
3. Turn the tester on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
5. Check the operation by referring to the values in the table below.
   COMBINATION METER:
   
   

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

   OK

   Needle indication is normal.

NG → See step   7 

OK: Go to next step 

1. Connect Techstream to the DLC3.
2. Start the engine.
3. Turn the tester on.
4. Enter the following menus: Body Electrical / Combination Meter / Data List.
5. Check the values by referring to the values in the table below.
   COMBINATION METER:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine RPM	Engine speed/Min.: 0 RPM, Max.: 12750 RPM	Almost same as actual engine speed (When engine is running)	If data received from the ECM exceeds the range that can be displayed on the meter, the meter continues to display the maximum value of the range.

   OK

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

   Result

   Result	Proceed to
   OK	A
   NG (for 2GR-FE)	B
   NG (for 1AR-FE)	C

NG → See step   4 

OK → See step   7 

1. Connect Techstream to the DLC3.
2. Ignition switch on (IG).
3. Turn the tester ON.
4. Enter the following menus: Powertrain / Engine and ECT / Data List.
5. Check the values by referring to the table below.
   ENGINE AND ECT:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Speed	Engine speed/Min.: 0 RPM, Max.: 16383.75 RPM	Almost same as actual engine speed (When engine is running)	-

   OK

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

   Result

   Result	Proceed to
   OK	A
   NG (for 2GR-FE)	B
   NG (for 1AR-FE)	C

B → See step   8 

C → See step   9 

A: Go to next step 

1. Replace the ECM with a new or a normal one. Refer to REMOVAL - Step 7 for 2GR-FE. Refer to REMOVAL for 1AR-FE.

   OK

   The operation of the tachometer returns to normal.

NG → See step   7 

OK → END