Toyota Tundra Service Manual > Sfi System: Secondary Air Injection System Control "A" Circuit (P0418,P0419)
DESCRIPTION Refer to DTC P0412 (See page ). DTC No. DTC Detection Condition Trouble Area P0418 P0419 After cold engine start, all of following conditions met (2 trip detection logic): Secondary Air Injection (AIR) system not operating (air pump OFF, Air Switching Valve [ASV] OFF) Diagnostic signal f ...
