ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Start the engine. (c) Turn the Techstream on. (d) Inspect the camshaft timing oil control solenoid assembly (for intake side). (1) Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV Duty Ratio Bank 1 or Control the Intake VVT OCV Duty Ratio Bank 2 / Data List / Intake VVT Change Angle Bank 1 or Intake VVT Change Angle Bank 2. Powertrain > Engine > Active Test
(2) Read the Data List while performing the Active Test with the engine idling. OK:
If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM. (e) Inspect the camshaft timing oil control solenoid assembly (for exhaust side). (1) Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1 or Control the Exhaust VVT OCV Duty Ratio Bank 2. Powertrain > Engine > Active Test
(2) Check the engine speed while operating the camshaft timing oil control solenoid assembly (for exhaust camshaft) using the Techstream. OK:
HINT: Refer to "Data List / Active Test" [Exhaust VVT OCV Control Duty Ratio Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 2 and Exhaust VVT Change Angle Bank 2]. Click here
If the result is not as specified, check the camshaft timing oil control solenoid assembly, wire harness and ECM. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Gasoline Model): HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B7,B15BA,B15F9)
DESCRIPTION These DTCs are stored when a malfunction occurs in the radio and display receiver assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B1551 HD Radio Tuner Malfunction When any of the following conditions is met: "HD Radio" tuner decorder malfunction "HD Radio" tuner aud ...
