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Home >> Toyota >> 2006 >> Avalon XLS >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0011 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0021 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2); DTC P0022 Camshaft Position "A" - Timing Over-Retarded (Bank 2) >> Description

DTC P0011 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1); DTC P0021 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2); DTC P0022 Camshaft Position "A" - Timing Over-Retarded (Bank 2): Description

Refer to DTC P0010 CAMSHAFT POSITION "A" ACTUATOR CIRCUIT (BANK 1); DTC P0020 CAMSHAFT POSITION "A" ACTUATOR CIRCUIT (BANK 2) 

DTC DETECTION CONDITIONS REFERENCE

DTC No. DTC Detection Conditions Trouble Areas
P0011
P0021
Advanced cam timing:
With warm engine and engine speed of between 500 rpm and 4,000 rpm, all conditions (a), (b) and (c) are met (1 trip detection logic):
  1. Difference between target and actual intake valve timings is more than 5° CA (Crankshaft Angle) for 4.5 seconds
  2. Current intake valve timing is fixed (timing changes less than 5° CA in 5 seconds)
  3. Variations in VVT controller timing are more than 19° CA of maximum delayed timing (advanced)
  • Valve timing
  • OCV for intake camshaft
  • OCV filter
  • Intake camshaft timing gear assembly
  • ECM
P0012
P0022
Retarded cam timing:
With warm engine and engine speed of between 500 rpm and 4,000 rpm, all conditions (a), (b) and (c) are met (2 trip detection logic):
  1. Difference between target and actual intake valve is timings more than 5° CA (Crankshaft Angle) for 4.5 seconds
  2. Current intake valve timing is fixed (timing changes less than 5° CA in 5 seconds)
  3. Variations in VVT controller timing is 19° CA or less of maximum delayed timing (retarded)
  • Valve timing
  • OCV for intake camshaft
  • OCV filter
  • Intake camshaft timing gear assembly
  • ECM