Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014Z11
Model Year Start: 2018 Model: Camry Prod Date Range: [06/2017 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Parking Brake Switch Circuit; 2018 - 2024 MY Camry [06/2017 -        ]

Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the skid control ECU (brake actuator assembly) to the radio and display receiver assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK BRAKE WARNING LIGHT

(a) Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.

OK:

The brake warning light operates as specified above.

NG

GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS 2018 - 2020 MY Camry [06/2017 - 10/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): HOW TO PROCEED WITH TROUBLESHOOTING 2021 - 2024 MY Camry [10/2020 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): HOW TO PROCEED WITH TROUBLESHOOTING

OK

2.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - RADIO AND DISPLAY RECEIVER ASSEMBLY)

(a) Disconnect the K2 radio and display receiver assembly connector.

(b) Disconnect the A34 skid control ECU (brake actuator assembly) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

K2-20 (PKB) - A34-33 (PKB)

Always

Below 1 Ω

K2-20 (PKB) or A34-33 (PKB) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2018 MY Camry [06/2017 - 08/2018]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2019 MY Camry [08/2018 - 09/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2020 MY Camry [09/2019 - 10/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2021 - 2024 MY Camry [10/2020 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR