Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014W7L
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 - 10/2020]
Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM (w/ Steering Control): C1A70; Power Steering Control System; 2018 - 2020 MY Camry HV [07/2017 - 10/2020]

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

After the power switch is turned on (IG) for 3 seconds or more, a malfunction in the power steering system internal circuit is detected for 5 seconds or more.
  • Power steering system
  • Forward recognition camera

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
  • If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera adjustment.

    Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION)

  • The lane departure alert system 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 2018 - 2024 MY Camry HV [07/2017 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

PROCEDURE

1.

CHECK FOR DTCs (POWER STEERING SYSTEM)

HINT:

Lane departure alert system DTC C1A70 may be stored due to a malfunction in the power steering system. Therefore it is necessary to check for and troubleshoot power steering system DTCs first.

(a) Check for DTCs.

Chassis > EMPS > Trouble Codes

Result

Proceed to

Power steering system DTCs are not output

A

Power steering system DTCs are output

B
A

REPLACE FORWARD RECOGNITION CAMERA

B

GO TO POWER STEERING SYSTEM