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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Control System (2UZ-FE)) >> SFI System >> DTC P1613 Secondary Air Injection Driver Malfunction >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Case 1: 

TYPICAL MALFUNCTION THRESHOLDS CHART

One of the following conditions is met Condition 1,2, 3 or 4
1. Diagnostic signal duty ratio from air injection control driver 1 to 10%
2. Diagnostic signal duty ratio from air injection control driver 30%
3. Diagnostic signal duty ratio from air injection control driver 49%
4. Diagnostic signal duty ratio from air injection control driver 91 to 99%

Case 2: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Diagnostic signal duty ratio from air injection control driver 70 to 90%

Case 3: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Diagnostic signal duty ratio from air injection control driver 0%

Case 4: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Diagnostic signal duty ratio from air injection control driver 100%