Speedometer Malfunction [04/2018 - ]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [04/2018 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 08/2021] , or refer to DIAGNOSIS SYSTEM [08/2021 - ]

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

Result: 

A 

See step  2

1. Check if electronically controlled brake system DTCs are output.

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2018 - 08/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2021 - ] 

Result: 

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Speedometer Operation (0km/h, 0MPH)	Speedometer (0km/h, 0mph)	ON	-
   Speedometer Operation (40km/h, 40MPH)	Speedometer (40 km/h, 40 mph)	ON	The value displayed on the speedometer may deviate. Reference mph: 40 → 39.4 to 42.2
   Speedometer Operation (80km/h, 80MPH)	Speedometer (80 km/h, 80 mph)	ON	The value displayed on the speedometer may deviate. Reference mph: 80 → 80.0 to 83.2
   Speedometer Operation (120km/h, 120M-PH)	Speedometer (120 km/h, 120 mph)	ON	The value displayed on the speedometer may deviate. Reference mph: 120 → 120.9 to 124.1

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Speedometer Operation (0km/h, 0MPH)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Speedometer Operation (40km/h, 40MPH)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Speedometer Operation (80km/h, 80MPH)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Speedometer Operation (120km/h, 120M-PH)

   OK

   Speedometer indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ]