Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Freeze Frame Data

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Suspension / Suspension Control / Adaptive Variable Suspension System / Freeze Frame Data

FREEZE FRAME DATA

FREEZE FRAME DATA

(a) The absorber control ECU stores system condition information as freeze frame data the moment a DTC is stored. The Freeze Frame Data can be displayed using the Techstream.

(b) Freeze frame data when a DTC is stored.

(1) Freeze frame data is stored the moment a DTC is stored.

(2) When freeze frame data is stored when a DTC is stored, the data is not updated or deleted until DTCs are cleared.

CHECK FREEZE FRAME DATA

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / Air suspension / Trouble Codes.

Chassis > Air suspension > Trouble Codes

(f) Select a DTC to display the freeze frame data.

(g) Check the freeze frame data for the output DTC.

Chassis > Air suspension

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
(Up&Down)G Sensor FR	Front acceleration sensor RH (up and down)	Min.: -1045.29 m/s2 Max.: 1045.26 m/s2	-0.98 to 0.98 m/s2 when stationary	The value changes when the vehicle (front RH) is bounced.
(Up&Down)G Sensor FL	Front acceleration sensor LH (up and down)	Min.: -1045.29 m/s2 Max.: 1045.26 m/s2	-0.98 to 0.98 m/s2 when stationary	The value changes when the vehicle (front LH) is bounced.
(Up&Down)G Sensor Rear	Rear acceleration sensor (up and down)	Min.: -1045.29 m/s2 Max.: 1045.26 m/s2	-0.98 to 0.98 m/s2 when stationary	The value changes when the vehicle (rear) is bounced.
IG Power Source Voltage	ECU power supply voltage	Min.: 0.0 V Max.: 25.5 V	11 to 14 V (Actual ECU power supply voltage): Engine switch on (IG)	-
G Sensor Voltage	G sensor power supply voltage	Min.: 0.0 V Max.: 25.5 V	4.8 to 5.2 V	-
ECU Substrate Temperature	Current ECU substrate temperature	Min.: 40°C Max.: 120°C	Displays current ECU substrate temperature	-
FR Solenoid Aim Electric Current Level for Control	Target solenoid current value (front wheel RH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
FL Solenoid Aim Electric Current Level for Control	Target solenoid current value (front wheel LH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
RR Solenoid Aim Electric Current Level for Control	Target solenoid current value (rear wheel RH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
RL Solenoid Aim Electric Current Level for Control	Target solenoid current value (rear wheel LH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
FR Solenoid Electric Current	Solenoid current value (front wheel RH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
FL Solenoid Electric Current	Solenoid current value (front wheel LH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
RR Solenoid Electric Current	Solenoid current value (rear wheel RH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
RL Solenoid Electric Current	Solenoid current value (rear wheel LH)	Min.: 0 mA Max.: 2040 mA	Changes depending on target damping force	-
Number of Trouble Codes	Number of DTCs stored	Min.: 0 Max.: 255	0	-

Fail-safe Chart

How To Proceed With Troubleshooting

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Freeze Frame Data

Fail-safe Chart

How To Proceed With Troubleshooting

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual