DESCRIPTION If a malfunction in the SFI system is detected, the operation of VSC and TRAC is prohibited by the fail-safe function. When the signals from the engine are received normally, fail-safe control is canceled.
PROCEDURE
(a) Check if SFI system DTCs are output.
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Toyota Tundra Service Manual > Sfi System: Evaporative Emission System Leak Detection Reference Orifice Low Flow (P043E,P043F,P2401,P2402,P2419)
DTC SUMMARY DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic P043E Reference orifice clogged P043E, P043F, P2401, P2402 and P2419 present when one of following conditions met during key-off EVAP monitor: Reference orifice clogged Reference orifice ...
