Description
ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM.
DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0500 | VEHICLE SPEED SENSOR A (Vehicle speed sensor ″A″) | At 20 km/h (13 MPH), ECM detects the following status continuously for 5 seconds or more: The difference between a vehicle speed calculated by a output speed sensor transmitted from TCM to ECM via CAN communication and the vehicle speed indicated on the combination meter exceeds 15km/h (10 MPH). |
POSSIBLE CAUSE
FAIL-SAFE
Traveling control mode (Accelerator angle variation control)
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC P0500 is displayed with DTC UXXXX or P0607, first perform the trouble diagnosis for DTC UXXXX or P0607.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.
>> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed. NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.
Is 1st trip DTC detected? YES >> Proceed to EC-351, "Diagnosis Procedure" NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P0500 is displayed with DTC UXXXX or P0607, first perform the trouble diagnosis for DTC UXXXX or P0607.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.CHECK DTC WITH TCM
Check DTC with TCM. Refer to TM-63, "DTC Index".
Is the inspection result normal? YES >> GO TO 3.
NO >> Perform trouble shooting relevant to DTC indicated.
3.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC with ABS actuator and electric unit (control unit). Refer to BRC-55, "DTC Index".
Is the inspection result normal? YES >> GO TO 4.
NO >> Perform trouble shooting relevant to DTC indicated.
4.CHECK DTC WITH COMBINATION METER
Check DTC with combination meter. Refer to MWI-30, "DTC Index".
Is the inspection result normal? YES >> GO TO 5.
NO >> Perform trouble shooting relevant to DTC indicated.
5.CHECK INPUT SPEED SENSOR
Check input speed sensor. Refer to TM-126, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 6.
NO >> Replace or replace error-detected parts.
6.CHECK WHEEL SENSOR
Check wheel sensor. Refer to BRC-74, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 7.
NO >> Replace or replace error-detected parts.
7.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here
Tool number
(TechMate No.)
Tool name
Description
KV101207S0
( — )
Unified fuel lock ring wrench
Removing and installing fuel tank lock ring
—
(J-45747)
...
P0444, P0445 EVAP canister purge volume control solenoid
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0444
PURG VOLUME CONT/V
(Evaporative emission system purge control
valve circuit open)
An excessively low voltage signal is sent to ECM through ...
Wiring diagram
EPS SYSTEM
Wiring Diagram
...