Symptom Chart

WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: During diagnosis, a DTC associated with other system may be set when the ignition switch is turned ON with connector(s) disconnected. On completion, confirm all systems for diagnostic trouble code(s). If diagnostic trouble code(s) are set, erase them all.

Symptom	Inspection procedure No.	Reference
The scan tool cannot communicate with TC-SST-ECU.	1	INSPECTION PROCEDURE 1: THE SCAN TOOL CANNOT COMMUNICATE WITH TC-SST-ECU.
The driving mode cannot be changed.	2	INSPECTION PROCEDURE 2: THE DRIVING MODE CANNOT BE CHANGED.
Speed change with the paddle shift is impossible.	3	INSPECTION PROCEDURE 3: SPEED CHANGE WITH THE PADDLE SHIFT IS IMPOSSIBLE.
TC-SST-ECU power supply circuit malfunction	4	INSPECTION PROCEDURE 4: TC-SST-ECU POWER SUPPLY CIRCUIT MALFUNCTION
The shift lever does not operate.	5	INSPECTION PROCEDURE 5: THE SHIFT LEVER DOES NOT OPERATE.
Gears cannot be changed with the manual mode.	6	INSPECTION PROCEDURE 6: GEARS CANNOT BE CHANGED WITH THE MANUAL MODE.
The vehicle moves with the P-range.	7	INSPECTION PROCEDURE 7: THE VEHICLE MOVES WITH THE P-RANGE.
Slipping occurs with the D-range/R-range/manual mode, and engine racing occurs during gear shifting/driving.	8	INSPECTION PROCEDURE 8: SLIPPING OCCURS WITH THE D-RANGE/R-RANGE/MANUAL MODE, AND ENGINE RACING OCCURS DURING GEAR SHIFTING/DRIVING.
The vehicle does not creep with the D-range/R-range/manual mode.	9	INSPECTION PROCEDURE 9: THE VEHICLE DOES NOT CREEP WITH THE D-RANGE/R-RANGE/MANUAL MODE.
The shock is large when the vehicle is stopped and the brake pedal is released with the D-range/R-range/manual mode.	10	INSPECTION PROCEDURE 10: THE SHOCK IS LARGE WHEN THE VEHICLE IS STOPPED AND THE BRAKE PEDAL IS RELEASED WITH THE D-RANGE/R-RANGE/MANUAL MODE.
Poor acceleration	11	INSPECTION PROCEDURE 11: POOR ACCELERATION
The gear shifting does not occur. (The transaxle does not upshift or downshift.)	12	INSPECTION PROCEDURE 12: THE GEAR SHIFTING DOES NOT OCCUR. (THE TRANSAXLE DOES NOT UPSHIFT OR DOWNSHIFT.)
The shift shock is large.	13	INSPECTION PROCEDURE 13: THE SHIFT SHOCK IS LARGE.
Delay occurs when the lever is shifted N → D or N → R.	14	INSPECTION PROCEDURE 14: DELAY OCCURS WHEN THE LEVER IS SHIFTED FROM "N" TO "D" OR "N" TO "R".
The engine stops when the lever is shifted N → D or N → R.	15	INSPECTION PROCEDURE 15: THE ENGINE STOPS WHEN THE LEVER IS SHIFTED FROM "N" TO "D" OR "N" TO "R".
The vehicle moves with the N-range on the level ground.	16	INSPECTION PROCEDURE 16: THE VEHICLE MOVES WITH THE N-RANGE ON THE LEVEL GROUND.
Judder/vibration/noise	17	INSPECTION PROCEDURE 17: JUDDER/NOISE/VIBRATION