MONITOR DESCRIPTION The main CPU and sub CPU of the ECM perform data communication between each other. The main CPU monitors the communications and WDC pulses from the sub CPU. When the signal malfunctions below are detected, this DTC is stored.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
CONFIRMATION DRIVING PATTERN HINT:
CAUTION / NOTICE / HINT NOTICE: After turning engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work. Click here
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 engine switch on (IG). (c) Turn the Techstream on. (d) Clear the DTC. Powertrain > Engine > Clear DTCs(e) Turn the engine switch off.
(a) Disconnect the cable from the negative (-) battery terminal and wait for 1 minute. (b) Connect the cable to the battery negative (-) battery terminal. (c) Connect the Techstream to the DLC3. (d) Turn the engine switch on (IG). (e) Turn the Techstream on. (f) Wait 16 seconds or more. (g) Enter the following menus: Powertrain / Engine / Trouble Codes. (h) Read the DTCs. Powertrain > Engine > Trouble Codes
|
Toyota Avalon Service & Repair Manual > Sfi System: Engine Oil Temperature Sensor Circuit Short to Battery or Open (P019515)
DESCRIPTION Refer to DTC P019511. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P019515 Engine Oil Temperature Sensor Circuit Short to Battery or Open The engine oil temperature sensor output voltage is higher than 4.94 V for 5 seconds or more (1 trip detecti ...