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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P1178)) >> SFI System >> DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2) >> Description

DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0022: Camshaft Position "A" - Timing Over-Retarded (Bank 2): Description

Refer to DTC P0010. Refer to DESCRIPTION .

DTC No. DTC Detection Condition Trouble Area
P0012 With engine warmed up and while driving in urban area (engine speed 4000 rpm or less), valve timing on bank 1 intake side remains in retarded position
(2 trip detection logic)
  • Camshaft timing gear assembly (bank 1)
  • Camshaft timing control motor (bank 1)
P0022 With engine warmed up and while driving in urban area (engine speed 4000 rpm or less), valve timing on bank 2 intake side remains in retarded position
(2 trip detection logic)
  • Camshaft timing gear assembly (bank 2)
  • Camshaft timing control motor (bank 2)
SYMPTOMS AND FAIL-SAFE OPERATION DURING CAMSHAFT CONTROL MOTOR MALFUNCTION

Vehicle Condition Fail-Safe
  • Deterioration of driving performance as result of engine combustion degradation
  • Engine output deficiency
  • Power to camshaft timing control motor is cut
  • Valve timing of bank that is operating normally is fixed at maximum retard angle