C1609
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1609 CAN VHCL SPEED
CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE
DIAGNOSTIC PROCEDURE
1.CHECK DTC WITH COMBINATION METER
Perform self-diagnosis with combination meter. Refer to Scan Tool Testing and Procedures .
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO-1 >> With ABS: GO TO 2.
NO-2 >> Without ABS: GO TO 3.
2.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer to Scan Tool Testing and Procedures,
.
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 4.
3.CHECK DTC WITH TRANSMISSION CONTROL MODULE (TCM)
Perform self-diagnosis with TCM. Refer to CONSULT-III Function (A/T) .
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 4.
4.CHECK EPS CONTROL UNIT
Check EPS control unit input/output signal. Refer to EPS Control Unit Input/Output Signal Reference Value .
OK or NG
OK >> GO TO 5.
NG >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
5.CHECK DTC
Perform the self-diagnosis, after driving the vehicle for a while.
OK or NG
OK >> INSPECTION END
NG >> Perform self-diagnosis with ABS actuator and electric unit (control unit) and combination meter. Refer to Scan Tool Testing and Procedures , Scan Tool Testing and Procedures.