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Home >> Toyota >> 2014 >> FJ Cruiser 4WD, Part Time T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0657-P2119)) >> SFI System >> DTC P144C: Open in Secondary Air Injection System Heater Control Circuit; DTC P144D: Short in Secondary Air Injection System Heater Control Circuit [08/2013 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

CASE 1

Monitor runs whenever following DTCs not stored None
Current command to air pump heater relay (AIR PMP HTR) ON
Last command to air pump heater relay (AIR PMP HTR) ON
Battery voltage 8 V or more
Ignition switch ON
Starter OFF
CASE 2

Monitor runs whenever following DTCs not stored None
Current command to air pump heater relay (AIR PMP HTR) OFF
Last command to air pump heater relay (AIR PMP HTR) OFF
Battery voltage 8 V or more
Ignition switch ON
Starter OFF
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