Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM10000000153NU |
Model Year Start: 2018 |
Model: Camry HV |
Prod Date Range: [07/2017 - 10/2020] |
Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: Steering Pad Switch Circuit; 2018 - 2020 MY Camry HV [07/2017 - 10/2020] |
Steering Pad Switch Circuit
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DESCRIPTION
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The steering pad switch assembly outputs the on/off signal and various control signals to the hybrid vehicle control ECU assembly.
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The hybrid vehicle control ECU assembly performs cruise control according to the signals received from the steering pad switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
Click here
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Before replacing the hybrid vehicle control ECU assembly, refer to Registration.
Click here
PROCEDURE
1.
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READ VALUE USING TECHSTREAM
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(a) Connect the Techstream to the DLC3.
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*1
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Steering Pad Switch Assembly
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*a
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Cruise Control Main Switch
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*b
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-SET Switch
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*c
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+RES Switch
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*d
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CANCEL Switch
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(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Radar Cruise 1 / Data List.
(e) Read the Data List according to the display on the Techstream.
Powertrain > Radar Cruise1 > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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Cancel Switch
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CANCEL switch status
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ON or OFF
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ON: CANCEL switch pushed
OFF: CANCEL switch not pushed
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-
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-SET Switch
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-SET switch status
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ON or OFF
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ON: -SET switch pushed
OFF: -SET switch not pushed
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-
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+RES Switch
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+RES switch status
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ON or OFF
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ON: +RES switch pushed
OFF: +RES switch not pushed
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-
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Cruise Main Switch Operation Condition
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Cruise control main switch status
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ON or OFF
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ON: Cruise control main switch pushed
OFF: Cruise control main switch not pushed
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-
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Powertrain > Radar Cruise1 > Data List
Tester Display
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Cancel Switch
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-SET Switch
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+RES Switch
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Cruise Main Switch Operation Condition
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OK:
The value of each measurement item changes according to the operation of the steering pad switch assembly.
NG
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2.
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INSPECT STEERING PAD SWITCH ASSEMBLY
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(a) Remove the steering pad switch assembly.
Click here
(b) Inspect the steering pad switch assembly.
Click here
OK
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3.
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INSPECT SPIRAL CABLE SUB-ASSEMBLY
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(a) Remove the spiral cable sub-assembly.
Click here
(b) Inspect the spiral cable sub-assembly.
Click here
OK
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4.
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CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - HYBRID VEHICLE CONTROL ECU ASSEMBLY AND BODY GROUND)
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(a) Disconnect the K22 spiral cable sub-assembly connector.
(b) Disconnect the K69 hybrid vehicle control ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
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Condition
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Specified Condition
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K22-13 (CCS) - K69-28 (CCS)
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Always
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Below 1 Ω
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K22-2 (ECC) - Body ground
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Always
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Below 1 Ω
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K22-13 (CCS) or K69-28 (CCS) - Body ground
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Always
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10 kΩ or higher
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NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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