DESCRIPTION
When the ECM detects a cruise control main switch "on" signal from the cruise control main switch, it sends it to the combination meter through CAN communication. Then the cruise control indicator light turns on.
CAUTION / NOTICE / HINT
Note
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.
PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CRUISE CONTROL INDICATOR LIGHT)
Using the intelligent tester, perform the Active Test Click here.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Indicat. Lamp Cruise | Cruise control indicator light | OFF/ON | - |
| OK |
|---|
| Indicator light turns on/off. |
| NG |
|
GO TO METER / GAUGE SYSTEM Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (CRUISE CONTROL INDICATOR LIGHT)
Using the intelligent tester, read the Data List Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| CCS Indicator M-CPU | Cruise control indicator (Main CPU) / OFF or ON | OFF: Cruise control indicator light off ON: Cruise control indicator light on |
- |
| OK |
|---|
| The display is as specified in the normal condition column. |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| NG |
|
REPLACE ECM Click here |