Components
COMPONENTS
ILLUSTRATION
*1 | BACK-UP BATTERY |
*2 | BATTERY COVER |
Installation
INSTALLATION
PROCEDURE
1. INSTALL BACK-UP BATTERY
(a) Install the back-up battery shown in the illustration.
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Install in this Direction |
NOTICE:
Make sure that the back-up battery is securely installed.
(b) Connect the connector.
NOTICE:
Make sure that the connector is connected securely.
(c) Engage the 2 claws to install the battery cover as shown in the illustration.
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Install in this Direction |
NOTICE:
Make sure that the battery cover is securely installed.
2. INSTALL DCM (TELEMATICS TRANSCEIVER)
Click here
3. PERFORM INITIALIZATION
for Gasoline Model: Click here
for HV Model: Click here
Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during back-up battery removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
Replaced Part or Performed Procedure |
Necessary Procedure | Effect/Inoperative Function When Necessary Procedures are not Performed |
Link |
---|---|---|---|
back-up battery |
Perform the reset back-up battery condition |
Safety Connect System |
|
Replaced Part or Performed Procedure |
Necessary Procedure | Effect/Inoperative Function When Necessary Procedures are not Performed |
Link |
---|---|---|---|
back-up battery |
Perform the reset back-up battery condition |
Safety Connect System |
|
PROCEDURE
1. REMOVE DCM (TELEMATICS TRANSCEIVER)
Click here
2. REMOVE BACK-UP BATTERY
(a) Disengage the 2 claws and remove the battery cover as shown in the illustration.
![]() |
Remove in this Direction |
(b) Disconnect the connector and remove the back-up battery as shown in the illustration.
![]() |
Remove in this Direction |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Motor Generator Control System: Drive Motor "A" Position Sensor Signal Amplitude < (P0A3F21,P0A3F22). Generator Position Sensor Circuit Voltage Below Threshold (P0A4B16,P0A4B1F). Generator Position Sensor Signal Amplitude < (P
Drive Motor "A" Position Sensor Signal Amplitude < (P0A3F21,P0A3F22) DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following: Area Main Malfunction Description Inverter low-voltage circuit The c ...