TERMINALS OF ECU PARKING ASSIST ECU (a) Disconnect the K35 parking assist ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below.
(c) Reconnect the K35 parking assist ECU connector. (d) Measure the voltage, resistance and waveform according to the value(s) in the table below.
(e) Reference (Oscilloscope waveform): HINT: A waterproof connector is used for the television camera assembly, front television camera assembly, side television camera assembly LH or side television camera assembly RH. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected. (1) Waveform 1 (camera lens is not covered, displaying an image)
HINT:
(2) Waveform 2 (camera lens is covered, blacking out the screen)
HINT:
(3) Waveform 3
HINT: The video waveform changes according to the image sent by the parking assist ECU. TELEVISION CAMERA ASSEMBLY (a) Disconnect the P7 television camera assembly connector. (b) Measure the voltage on the wire harness side connector according to the value(s) in the table below.
If the result is not as specified, there may be a malfunction on the wire harness side. (c) Reconnect the P7 television camera assembly connector. (d) Measure the voltage and waveform according to the value(s) in the table below.
HINT: A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected. If the result is not as specified, the television camera assembly may be malfunctioning. (e) Reference (Oscilloscope waveform):
HINT: A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected. (1) Waveform 1 (camera lens is not covered, displaying an image)
HINT:
(2) Waveform 2 (camera lens is covered, blacking out the screen)
HINT:
RADIO AND DISPLAY RECEIVER ASSEMBLY (a) Measure the resistance and waveform according to the value(s) in the table below.
(b) Reference (Oscilloscope waveform): (1) Waveform 1
HINT: The video waveform changes according to the image sent by the parking assist ECU. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Fuel Pump Control General Electrical Failure (P12D501)
DESCRIPTION Refer to DTC P062712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P12D501 Fuel Pump Control General Electrical Failure When the fuel pump control ECU operation duty ratio is 3 to 65%, the fuel pump control ECU detects a short in the fuel pump ci ...