Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AOOY
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 - 08/2021]
Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) (for Gasoline Model): C1A70; Power Steering Control System; 2019 - 2021 MY Avalon [04/2018 - 08/2021]

DTC

C1A70

Power Steering Control System

DESCRIPTION

If the forward recognition camera receives an internal malfunction signal from the power steering ECU (rack and pinion power steering gear assembly), DTC C1A70 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1A70

Power Steering Control System

2 seconds after the engine switch is turned on (IG), a malfunction in the power steering system internal circuit is detected for 5 seconds or more.

Power steering system

CAUTION / NOTICE / HINT

NOTICE:

The lane departure alert system (w/ steering control) uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

PROCEDURE

1.

GO TO POWER STEERING SYSTEM

HINT:

If DTC C1A70 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the power steering system.

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

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