Component Function Check
1.CHECK SPORT INDICATOR LAMP FUNCTION
Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition switch turns ON.
Is the inspection result normal? YES >> GO TO 2.
NO >> Go to TM-239, "Diagnosis Procedure".
2.CHECK SPORT MODE SWITCH FUNCTION
Is the inspection result normal? YES >> INSPECTION END
NO >> Go to TM-236, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
Is the inspection
result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK CVT SHIFT SELECTOR ASSEMBLY
Check continuity between CVT shift selector connector terminals.
Is the inspection
result normal?
YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> GO TO 3.
3.CHECK OVERDRIVE CONTROL SWITCH
Check overdrive control switch. Refer to TM-237, "Component Inspection (Overdrive Control Switch)".
Is the inspection result normal? YES >> Replace CVT shift selector assembly. Refer to TM-253, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
4.CHECK GROUND CIRCUIT
Check continuity between CVT shift selector harness connector terminal and ground.
Is the inspection
result normal?
YES >> GO TO 5.
NO >> Repair or replace malfunctioning parts.
5.CHECK CIRCUIT BETWEEN COMBINATION METER AND CVT SHIFT SELECTOR (PART 1)
Is the inspection
result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning parts.
6.CHECK CIRCUIT BETWEEN COMBINATION METER AND CVT SHIFT SELECTOR (PART 2)
Check continuity between combination meter harness connector terminal and ground.
Is the inspection
result normal?
YES >> GO TO 7.
NO >> Repair or replace malfunctioning parts.
7.CHECK COMBINATION METER INPUT SIGNAL
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
Component Inspection (Overdrive Control Switch)
1.Check overdrive control switch
Check continuity between wires of selector lever knob 1.
Is the inspection
result normal?
YES >> INSPECTION END
NO >> Replace selector lever knob. Refer to TM-253, "Removal and Installation".
Eco mode control
ECO MODE CONTROL : System Description
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM receives an ECO mode signal from combination meter via CAN
communication and improves the fuel
economy by controlling the throttle movement to less than usual. Therefore,
driving characteristic is controlle ...
General maintenance
Explanation of general maintenance
General maintenance includes those items which should be checked during the
normal day-to-day operation
of the vehicle. They are essential if the vehicle is to continue operating
properly. The owners can perform
checks and inspections themselves or have thei ...
DTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0073
COMM BUS A OFF
(Control Module Communication
Bus A Off)
TCM communication blockage lasts for 2 sec ...