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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Control System (3UR-FBE) - Diagnostic Codes (5 Of 6)) >> SFI System >> DTC P1613: Secondary Air Injection Driver Malfunction; DTC P1614: Secondary Air Injection System Driver Bank 2 [08/2015 - 08/2017] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
CASE 1:

One of following conditions met: A, B, C or D
A. Diagnostic signal duty ratio from air injection control driver 1% or more, and 10% or less
B. Diagnostic signal duty ratio from air injection control driver 30%
C. Diagnostic signal duty ratio from air injection control driver 49%
D. Diagnostic signal duty ratio from air injection control driver 91% or more, and 99% or less
CASE 2:

Diagnostic signal duty ratio from air injection control driver 70% or more, and 90% or less
CASE 3:

Diagnostic signal duty ratio from air injection control driver 0%
CASE 4:

Diagnostic signal duty ratio from air injection control driver 100%