Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2012LANCER RALLIARTREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSCRUISE CONTROL SYSTEM - LANCERCRUISE CONTROL SYSTEM DIAGNOSISSYMPTOM CHART
2012 Mitsubishi Lancer Ralliart
Symptom Chart
2012 Mitsubishi Lancer RalliartSECTION Symptom Chart
NOTE:
For additional Symptom Chart information, refer to TSB UPDATED CRUISE CONTROL DIAGNOSIS - SERVICE MANUAL REVISION
.
SYMPTOM CHART
| Symptom | Inspection procedure | |
|---|---|---|
| Communication with scan tool is not possible. | Communication with the ECM only is impossible. < 2.0L ENGINE Non-turbo > | Refer to SYMPTOM PROCEDURES |
| Communication with the ECM only is impossible. < 2.0L ENGINE Turbo > | Refer to SYMPTOM PROCEDURES | |
| Communication with the ECM only is impossible. < 2.4L ENGINE > | Refer to SYMPTOM PROCEDURES | |
| When the brake pedal is depressed, cruise control is not cancelled. | Refer to INSPECTION PROCEDURE 1: WHEN THE BRAKE PEDAL IS DEPRESSED, CRUISE CONTROL IS NOT CANCELLED. | |
| When the clutch pedal is depressed, cruise control is not cancelled < M/T. > | Refer to INSPECTION PROCEDURE 2: WHEN THE CLUTCH PEDAL IS DEPRESSED, CRUISE CONTROL IS NOT CANCELLED < M/T. > | |
| When the selector lever is moved to "N" position, cruise control is not cancelled < CVT. > | Refer to INSPECTION PROCEDURE 3: WHEN THE SELECTOR LEVER IS MOVED TO "N" POSITION, CRUISE CONTROL IS NOT CANCELLED < CVT. > | |
| When the shift lever is moved to "N" position, cruise control is not cancelled < TC-SST. > | Refer to INSPECTION PROCEDURE 4: WHEN THE SHIFT LEVER IS MOVED TO "N" POSITION, CRUISE CONTROL IS NOT CANCELLED < TC-SST. > | |
| When the "CANCEL" switch is pressed, cruise control is not cancelled. | Refer to INSPECTION PROCEDURE 5: WHEN THE "CANCEL" SWITCH IS PRESSED, CRUISE CONTROL IS NOT CANCELLED. | |
| Cruise control cannot be set (No response "COAST/SET" switch and "ACC/RES" switch is pressed) < 2.0L ENGINE Non-turbo, 2.4L ENGINE. > | Refer to INSPECTION PROCEDURE 6: CRUISE CONTROL CANNOT BE SET (NO RESPONSE "COAST/SET" SWITCH AND "ACC/RES" SWITCH IS PRESSED) < 2.0L ENGINE NON-TURBO, 2.4L ENGINE. > | |
| Cruise control cannot be set (No response "COAST/SET" switch and "ACC/RES" switch is pressed) < 2.0L ENGINE Turbo. > | Refer to INSPECTION PROCEDURE 7: CRUISE CONTROL CANNOT BE SET (NO RESPONSE "COAST/SET" SWITCH AND "ACC/RES" SWITCH IS PRESSED) < 2.0L ENGINE TURBO. > | |
| Hunting (repeated acceleration and deceleration) occurs at the set vehicle speed < M/T. > | Refer to INSPECTION PROCEDURE 8: HUNTING (REPEATED ACCELERATION AND DECELERATION) OCCURS AT THE SET VEHICLE SPEED < M/T. > | |
| Hunting (repeated acceleration and deceleration) occurs at the set vehicle speed < CVT. > | Refer to INSPECTION PROCEDURE 9: HUNTING (REPEATED ACCELERATION AND DECELERATION) OCCURS AT THE SET VEHICLE SPEED < CVT. > | |
| Hunting (repeated acceleration and deceleration) occurs at the set vehicle speed < TC-SST. > | Refer to INSPECTION PROCEDURE 10: HUNTING (REPEATED ACCELERATION AND DECELERATION) OCCURS AT THE SET VEHICLE SPEED < TC-SST. > | |
| When the "ON/OFF" switch is turned ON, "CRUISE" indicator light does not illuminate (However, cruise control system is normal.) | Refer to INSPECTION PROCEDURE 11: WHEN THE "ON/OFF" SWITCH IS TURNED ON, "CRUISE" INDICATOR LIGHT DOES NOT ILLUMINATE (HOWEVER, CRUISE CONTROL SYSTEM IS NORMAL.) | |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.