Fuel Economy Meter Malfunction: Procedure

1. Check if a 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 the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter following menus: Body Electrical / Combination Meter / Active Test.
5. Check the operation by referring to the table below.
   COMBINATION METER:
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Fuel Consumption Meter Operation	Fuel receiver gauge	MIN, 1/4, 1/2, 3/4, MAX	-

   OK

   Needle indication is normal.

NG → See step   7 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus:
   1. for ABS/VSC/TRAC: Chassis / ABS/VSC/TRAC / Data List.
   2. for Engine and ECT: Powertrain / Engine and ECT / Data List.
5. Check the values by referring to the table below.
   ABS/VSC/TRAC
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Vehicle Speed	Maximum wheel speed sensor reading/Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)	Vehicle stopped: 0 km/h (0 mph)	When driving at constant speed: No large fluctuations

   ENGINE AND ECT
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Injection Volume (Cylinder 1)	Injection volume (cylinder 1)/Min.: 0 ml, Max.: 2.047 ml	0 to 0.5 ml	Stored as Freeze Frame Data This is the fuel injection volume for 10 injections
   	Results of real-vehicle check: Idling (engine warmed up): 0.108 ml Running without load (3000 rpm): 0.097 ml

   Result

   Result	Proceed to
   The data list values displayed on the Techstream is within the normal condition range.	A
   The data list values displayed on the Techstream differs from the normal condition range. (ABS/VSC/TRAC)	B
   The data list values displayed on the Techstream differs from the normal condition range (for 2AR-FE). (Engine and ECT)	C
   The data list values displayed on the Techstream differs from the normal condition range (for 2GR-FE). (Engine and ECT)	D

   HINT: 

   • When the Data List values of the ECUs match, an internal malfunction of the combination meter assembly is suspected.
   • When the Data List values of the ECUs do not match, a signal output error of the skid control ECU or an internal malfunction of the combination meter assembly is suspected.

B → See step   10 

C → See step   8 

D → See step   9 

A: Go to next step 

1. Replace the brake actuator assembly with a new or a known good one. Refer to REMOVAL .

   Result

   Result	Proceed to
   The operation of the fuel economy meter returns to normal.	A
   The operation of the fuel economy meter does not return to normal.	B

B → See step   5 

A → END 

1. Replace the ECM with a new or a known good one. Refer to REMOVAL for 2AR-FE. Refer to REMOVAL for 2GR-FE).

   Result

   Result	Proceed to
   The operation of the fuel economy meter returns to normal.	A
   The operation of the fuel economy meter does not return to normal.	B

B → See step   7 

A → END