Speedometer Malfunction [10/2023 - ]: Procedure
- CHECK FOR DTC
- Check for DTCs.
Refer to DTC CHECK / CLEAR [10/2017 - ]
Body Electrical > Combination Meter > Trouble Codes
Result
Result Proceed to DTCs are not output. A DTCs are output. B
Result:
B
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ]
Result:
A
See step 2
- Check for DTCs.
- CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
- Check for DTCs.
w/ Front LiDAR Sensor: Refer to DTC CHECK / CLEAR [10/2023 - ]
w/o Front LiDAR Sensor: Refer to DTC CHECK / CLEAR [10/2023 - ]
Chassis > Brake/EPB > Trouble Codes
Result
Result Proceed to DTCs are not output. A DTCs are output. B
Result:
B
ELECTRONICALLY CONTROLLED BRAKE SYSTEM
w/ Front LiDAR Sensor: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]
w/o Front LiDAR Sensor: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]
Result:
A
See step 3
- Check for DTCs.
- READ VALUE USING TECHSTREAM (VEHICLE SPEED METER)
- Using the Techstream, read the Data List.
Refer to DATA LIST / ACTIVE TEST [10/2023 - ]
Body Electrical > Combination Meter > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Vehicle Speed Meter Vehicle speed Min.: 0 km/h, Max.: 255 km/h or Unset Almost the same as actual vehicle speed - Body Electrical > Combination Meter > Data List
Tester Display Vehicle Speed Meter 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 brake booster with master cylinder assembly (skid control ECU) or an internal malfunction of the combination meter assembly is suspected.
OK
Vehicle speed displayed on the Techstream is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer).
Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [10/2023 - ]
Result:
NG
See step 4
- Using the Techstream, read the Data List.
- READ VALUE USING TECHSTREAM (VEHICLE SPEED)
- Using the Techstream, read the Data List.
Refer to DATA LIST / ACTIVE TEST [10/2023 - ]
Chassis > Brake/EPB > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Vehicle Speed Vehicle speed
(Vehicle speed signal output to combination meter assembly)Min.: 0.0 km/h (0 mph)
Max.: 6553.5 km/h (4072 mph)Vehicle stopped: 0.0 km/h (0 mph) When driving at constant speed: No large fluctuations Chassis > Brake/EPB > Data List
Tester Display Vehicle Speed OK
Vehicle speed displayed on the Techstream is almost the same as the actual vehicle speed measured using a speedometer tester (calibrated chassis dynamometer).
Result
Proceed to OK NG
Result:
OK
REPLACE COMBINATION METER ASSEMBLY. Refer to REMOVAL [10/2023 - ]
Result:
NG
REPLACE BRAKE ACTUATOR ASSEMBLY (NO. 2 SKID CONTROL ECU). Refer to REMOVAL [10/2023 - ]
- Using the Techstream, read the Data List.