Speedometer Malfunction

METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: Speedometer Malfunction; 2013 MY FR-S [03/2012 -]
- Speedometer Malfunction

DESCRIPTION

The combination meter assembly controls the speedometer in accordance with the vehicle speed signals from the skid control ECU (brake actuator assembly) through the CAN communication system.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if CAN communication DTCs are output Diagnosis System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM (SPEED METER OPERATION)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(e) According to the display on the tester, perform the Active Test.

Combination Meter





OK:

The vehicle speed displayed on the tester is approximately the same as that of the speedometer reading.

NG -- REPLACE COMBINATION METER ASSEMBLY Removal
OK -- Continue to next step.

3. READ VALUE USING TECHSTREAM (VEHICLE SPEED METER)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter / Data List.

(e) According to the display on the tester, read the Data List.

Combination Meter





OK:

The vehicle speed displayed on the tester is approximately the same as the actual vehicle speed.

NOTICE:
Determine whether the value displayed on the tester is within the acceptable range by referring to the reference values described in "On-Vehicle Inspection" Component Tests and General Diagnostics.

NG -- REPLACE COMBINATION METER ASSEMBLY Removal
OK -- Continue to next step.

4. CHECK VEHICLE STABILITY CONTROL SYSTEM

(a) Check if the vehicle stability control system outputs DTCs Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO VEHICLE STABILITY CONTROL SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

5. READ VALUE USING TECHSTREAM (VEHICLE SPEED)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List.

(e) According to the display on the tester, read the Data List.

Combination Meter





OK:

The vehicle speed displayed on the tester is approximately the same as the actual vehicle speed.

NOTICE:
Determine whether the value displayed on the tester is within the acceptable range by referring to the reference values described in "On-Vehicle Inspection" Component Tests and General Diagnostics.

NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM How to Proceed With Troubleshooting
OK -- Continue to next step.

6. REPLACE COMBINATION METER ASSEMBLY

(a) Replace the combination meter assembly with a new or a normal one Removal.

OK:

The operation of the speedometer returns to normal.

NG -- REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) Removal

OK -- END