Dtc P1049 Valvematic Driver Internal Circuit Malfunction Bank 1

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
3Zr-Fae Engine Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

INSPECTION PROCEDURE

REPLACE CONTINUOUSLY VARIABLE VALVE LIFT CONTROLLER ASSEMBLY

DTC P1049 Valvematic Driver Internal Circuit Malfunction Bank 1


DESCRIPTION

The valve lift control driver in the continuously variable valve lift controller assembly monitors the driver circuit in the continuously variable valve lift controller assembly and detects malfunctions.

DTC No.
DTC Detection Condition
Trouble Area
P1049
A valve lift control driver internal error (1 trip detection logic).
Continuously variable valve lift controller assembly

INSPECTION PROCEDURE


NOTICE:
When one of the following DTCs is stored and the MIL is illuminated, DTC P1047 is stored and actuator position learning is performed every time the engine is started. Also, after the system returns to normal, the following occurs during the first driving cycle: 1) DTC P1047 is stored, 2) actuator position learning is performed and 3) the MIL illuminates during actuator position learning.

Actuator position learning is performed when these DTCs are stored.
P1046, P1049, P104A, P1055, P2646, P2647, P2648, P2649, P264A, U011B
HINT:
  1. If DTC P1047 or P104A is output at the same time as DTC P1049, disregard DTCs P1047 and P104A and proceed with the inspection.
  2. After performing repairs, perform the following procedures and check that DTCs are not output again.
  1. Connect the intelligent tester to the DLC3.
  2. Start the engine and warm it up.
  3. Turn the tester on.
  4. Clear the DTCs.
  5. Turn the ignition switch off and wait 10 seconds.
  6. Start the engine and idle it for 20 seconds.
  7. Clear the DTCs.
  8. Turn the ignition switch off and wait 10 seconds.
  9. Start the engine and idle it for 20 seconds.
  10. Turn the ignition switch off and wait 10 seconds.
  11. Turn the ignition switch to ON.
  12. Enter the following menus: Powertrain / Engine and ECT / DTC.
  13. Read the DTCs.
1.REPLACE CONTINUOUSLY VARIABLE VALVE LIFT CONTROLLER ASSEMBLY

  1. Replace the continuously variable valve lift controller assembly (RAV4_ACA30 RM0000036Y4008X.html).


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