Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001GZ6S
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model): P160700; Cruise Control Input Processor; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DTC

P160700

Cruise Control Input Processor

DESCRIPTION

When the hybrid vehicle control ECU detects that it is not functioning normally, DTC P160700 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

P160700

Cruise Control Input Processor

When the power switch is on (IG) and control of vehicle speed by the dynamic radar cruise control system is prohibited by the sub-CPU, the dynamic radar cruise control system operates for 0.3 seconds or more.

Hybrid vehicle control ECU

Cruise Control

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the hybrid vehicle control ECU, refer to Registration.

Click here 2020 MY Corolla Corolla HV [01/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

HINT:

Read the freeze frame data using the Techstream. When a malfunction is detected, various engine control parameters are stored as freeze frame data and can be useful for troubleshooting.

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Powertrain > Radar Cruise1 > Clear DTCs

(b) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(c) Check for DTCs.

Powertrain > Radar Cruise1 > Trouble Codes

Result

Proceed to

DTC P160700 is not output

A

DTC P160700 is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE HYBRID VEHICLE CONTROL ECU