Cruise Control Switch Circuit
CRUISE CONTROL: CRUISE CONTROL SYSTEM: Cruise Control Switch Circuit
- Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch operates 7 functions: SET, - (COAST), TAP-DOWN, RES (RESUME), + (ACCEL), TAP-UP, and CANCEL. The SET, TAP-DOWN, and - (COAST) functions, and the RES (RESUME), TAP-UP, and + (ACCEL) functions are operated with the same switch. The cruise control main switch is an automatic return type switch which turns on only while operating it in the direction of each arrow and turns off after releasing it. The internal contact point of the cruise control main switch is turned on with the switch operation. Then the ECM reads the voltage value that has been changed by the switch operation to control SET, - (COAST), RES (RESUME), + (ACCEL), and CANCEL.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Cruise Control / Data List.
(e) Check the Data List for proper functioning of the cruise control main switch.
Text in Illustration
Cruise Control
OK:
When the cruise control main switch is operated, the display changes as shown above.
NG -- INSPECT CRUISE CONTROL MAIN SWITCH
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
2. INSPECT CRUISE CONTROL MAIN SWITCH
(a) Remove the cruise control main switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Text in Illustration
Standard Resistance:
(c) Reinstall the cruise control main switch Installation.
NG -- REPLACE CRUISE CONTROL MAIN SWITCH Removal
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (CRUISE CONTROL MAIN SWITCH - SPIRAL CABLE SUB-ASSEMBLY)
(a) Disconnect the connector from the spiral cable sub-assembly.
(b) Disconnect the connector from the cruise control main switch.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(d) Reconnect the connector from the cruise control main switch.
(e) Reconnect the connector from the spiral cable sub-assembly.
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (CRUISE CONTROL MAIN SWITCH - SPIRAL CABLE SUB-ASSEMBLY)
OK -- Continue to next step.
4. INSPECT SPIRAL CABLE SUB-ASSEMBLY
NOTICE:
The spiral cable sub-assembly is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable sub-assembly may prevent the airbag from deploying. Be sure to read the page shown in the brackets.
HINT
* Removal Removal
* Installation Installation
(a) Remove the spiral cable sub-assembly.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
HINT
The spiral cable sub-assembly makes a maximum of approximately 5 rotations.
(c) Reinstall the spiral cable sub-assembly.
NG -- REPLACE SPIRAL CABLE SUB-ASSEMBLY Removal
OK -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM)
(a) Disconnect the ECM connector.
(b) Disconnect the spiral cable sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
(d) Reconnect the spiral cable assembly connector.
(e) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM)
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)
(a) Disconnect the spiral cable sub-assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
Result:
(c) Reconnect the spiral cable sub-assembly connector.
B -- REPLACE ECM (2GR-FSE) Removal
C -- REPLACE ECM (4GR-FSE) Removal
A -- REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - BODY GROUND)