| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM1000000012SKA |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [03/2017 - 06/2017] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: Steering Pad Switch Circuit; 2018 MY Camry [03/2017 - 06/2017] | ||
|
Steering Pad Switch Circuit |
DESCRIPTION
- The steering pad switch assembly outputs the on/off signal and various control signals to the ECM.
- The ECM performs cruise control according to the signals received from the steering pad switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
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
![2018 MY Camry [03/2017 - 06/2017]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
-
Before replacing the ECM, refer to Registration.
w/o Smart Key System:
w/ Smart Key System:
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM |
|
(a) Connect the Techstream to the DLC3. |
|
(b) Turn the ignition switch to ON.
(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 > Cruise Control > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Cancel Switch |
CANCEL switch status |
ON or OFF |
ON: CANCEL switch pushed OFF: CANCEL switch not pushed |
- |
|
-SET Switch |
-SET switch status |
ON or OFF |
ON: -SET switch pushed OFF: -SET switch not pushed |
- |
|
+RES Switch |
+RES switch status |
ON or OFF |
ON: +RES switch pushed OFF: +RES switch not pushed |
- |
|
Cruise Main Switch Operation Condition |
Cruise control main switch status |
ON or OFF |
ON: Cruise control main switch pushed OFF: Cruise control main switch not pushed |
- |
Powertrain > Cruise Control > Data List
|
Tester Display |
|---|
|
Cancel Switch |
|
-SET Switch |
|
+RES Switch |
|
Cruise Main Switch Operation Condition |
OK:
The value of each measurement item changes according to the operation of the steering pad switch assembly.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
2. |
INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly.
Click here
(b) Inspect the steering pad switch assembly.
Click here
| NG |
|
|
|
3. |
INSPECT SPIRAL CABLE SUB-ASSEMBLY |
(a) Remove the spiral cable sub-assembly.
Click here
(b) Inspect the spiral cable sub-assembly.
Click here
| NG |
|
|
|
4. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM AND BODY GROUND) |
(a) Disconnect the K22 spiral cable sub-assembly connector.
(b) Disconnect the A24 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A24-27 (CCS) - K22-13 (CCS) |
Always |
Below 1 Ω |
|
A24-28 (ECCS) - K22-2 (ECC) |
Always |
Below 1 Ω |
|
A24-27 (CCS) or K22-13 (CCS) - Body ground |
Always |
10 kΩ or higher |
|
A24-28 (ECCS) or K22-2 (ECC) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND) |
(a) Disconnect the A24 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A24-10 (E1) - Body ground |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|