Speedometer Malfunction [09/2020 - ]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [09/2020 - 11/2021] , or refer to DIAGNOSIS SYSTEM [11/2021 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - ]

   Result

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

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - ] 

Result: 

A 

See step  2

1. Confirm the vehicle type.

   Result

   Result	Proceed to
   except F SPORT models	A
   for F SPORT models	B

Result: 

B 

See step  4

Result: 

A 

See step  3

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

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Speed Meter Operation	Speedometer	for Speedometer with Imperial Units for Main Scale:  OFF, 0, 40, 80, 120, 160, 200 or 240 for Speedometer with Metric Units for Main Scale:  OFF, 0, 40, 80, 120 or 160	There is a deviation in the values displayed on the speedometer display (Control range → Speedometer) for Speedometer with Imperial Units for Main Scale:  40 → 38.3 to 42.8 80 → 78.5 to 83.5 120 → 119.1 to 124.1 160 → 159.6 to 164.6 200 → 200.1 to 205.1 for Speedometer with Metric Units for Main Scale:  40 → 39.4 to 42.2 80 → 80 to 83.2 120 → 120.7 to 123.9 160 → 160.5 to 163.7

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   Speed Meter Operation

   OK

   Speedometer indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [09/2020 - ] 

Result: 

OK 

See step  4

1. Check if vehicle stability control system DTCs are output.

   Refer to DTC CHECK / CLEAR [09/2020 - ]

   Chassis > Brake/EPB > Trouble Codes 

   Result

   Result	Proceed to
   Vehicle stability control system DTCs are not output	A
   Vehicle stability control system DTCs are output	B

Result: 

B 

GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - ] 

Result: 

A 

See step  5

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus:
   1. for Brake/EPB: Chassis / Brake/EPB / Data List.
   2. for Combination Meter: Body Electrical / Combination Meter / Data List.
5. Check the values by referring to the table below.

   Chassis > Brake/EPB > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Vehicle Speed	Maximum wheel speed sensor reading	Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations

   Chassis > Brake/EPB > Data List 

   Tester Display
   Vehicle Speed

   Body Electrical > Combination Meter > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Vehicle Speed Meter	Vehicle speed	Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)	Almost the same as actual vehicle speed	-

   Body Electrical > Combination Meter > Data List 

   Tester Display
   Vehicle Speed Meter

   Result

   Result	Proceed to
   The data list values of the ECUs match	A
   The data list values of the ECUs do not match	B

   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 (brake actuator assembly) or an internal malfunction of the combination meter assembly is suspected.

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [09/2020 - ] 

Result: 

B 

See step  6

1. Replace the combination meter assembly with a new one.

   Refer to REMOVAL [09/2020 - ]

   OK

   The operation of the speedometer returns to normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [09/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - ]