Speedometer Malfunction

METER: METER / GAUGE SYSTEM: Speedometer Malfunction

Speedometer Malfunction

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (SPEEDOMETER)
(a) Select the Active Test, use the Techstream to generate a control command, and then check that the speedometer operates.

Combination meter





OK:
The speedometer operates normally.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM (SPEEDOMETER)
(a) Check the Data List for proper functioning of the speedometer.

Combination meter





OK:
Vehicle speed on Techstream is almost equal to the actual vehicle speed.
NG -- GO TO ANTI-LOCK BRAKE SYSTEM
OK -- Continue to next step.
3. CHECK COMBINATION METER ASSEMBLY




(a) Disconnect the C8 meter connector.
(b) Measure the voltage of the connector.
Standard voltage:






OK -- REPLACE COMBINATION METER ASSEMBLY
NG -- Continue to next step.
4. CHECK WIRE HARNESS (ECU - METER)




(a) Disconnect the S6 ECU connector.
(b) Disconnect the C8 meter connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE SKID CONTROL ECU