Service data and specifications (SDS)
PrecautionP0456 EVAP control system
DTC Description
DTC DETECTION LOGIC
This diagnosis detects leaks in the EVAP line between fuel tank and EVAP
canister purge volume control solenoid
valve, using the negative pressure caused by decrease of fuel temperature in the
fuel tank after turning
ignition switch OFF.
If ECM judges t ...
Engine compartment check locations
QR25DE engine
Engine coolant reservoir
Engine oil filler cap
Brake fluid reservoir
Battery
Air cleaner
Fuse/Fusible link box
Radiator cap
Engine oil dipstick
Drive belt location
Windshield-washer fluid reservoir ...
DTC/circuit diagnosis
U0121 VDC CAN 2
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC U0121 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to DAS-
106, "DISTANCE SENSOR : DTC Logic".
CONSULT Display
DTC Detection Condition
Possible Cause
...