MONITOR DESCRIPTION The ECM continuously monitors its main CPU and monitor IC. This self-check ensures that the ECM is functioning properly. If outputs from main CPU and monitor IC are different and deviate from the standard, the ECM will illuminate the MIL and store this DTC.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
CONFIRMATION DRIVING PATTERN HINT:
CAUTION / NOTICE / HINT NOTICE:
HINT: Read Freeze Frame Data using the Techstream. The ECM records vehicle and driving condition information as Freeze Frame Data the moment a DTC is stored. When troubleshooting, Freeze Frame Data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred. PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Clear the DTCs. Powertrain > Engine > Clear DTCs(e) Turn the power switch off.
(a) Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute. (b) Connect the cable to the negative (-) auxiliary battery terminal. (c) Connect the Techstream to the DLC3. (d) Turn the power switch on (IG). (e) Turn the Techstream on. (f) Wait 1 second or more. (g) Enter the following menus: Powertrain / Engine / Trouble Codes. (h) Read the DTCs. Powertrain > Engine > Trouble Codes
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Camshaft Oil Control Valve(for Intake Side Of Bank 2): Installation
INSTALLATION PROCEDURE 1. INSTALL CAMSHAFT TIMING GEAR BOLT (a) Make sure that the No. 1 cylinder is at TDC/compression. HINT: Check that the cutout of the camshaft timing gear assembly is at the top and align the timing mark (cutout) of the crankshaft pulley with the timing mark on the timing chain ...