Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Lexus
>>
2011
>>
GX 460
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System (Diagnostic Codes (P0401-P1605))
>>
SFI System
>>
DTC P0418: Secondary Air Injection System Control "A" Circuit
>>
Component Operating Range
Component Operating Range
Diagnostic signal duty ratio from air injection control driver
70% or more, and 90% or less when secondary air injection system operating.
0% when secondary air injection system not operating.