ENGINE STALLS WHEN DRIVING AT SLOW SPEEDS OR STOPPING [FW6A-EL]

id050315102800

TROUBLESHOOTING ITEM

Engine stalls when driving at slow speeds or stopping

DESCRIPTION

•  Engine stalls when brake pedal is depressed while driving at low speed or stopping.

POSSIBLE CAUSE

1.  Not within idle speed specification

2.  Engine control system malfunction

3.  TCC piston malfunction (solenoid drive circuit, hydraulic passage blockage, poor operation)

―  Output solenoid valve malfunction (stuck)

•  TCC control solenoid

4.  Torque converter malfunction

TROUBLESHOOTING ITEM	Engine stalls when driving at slow speeds or stopping
DESCRIPTION	• Engine stalls when brake pedal is depressed while driving at low speed or stopping.
POSSIBLE CAUSE	1. Not within idle speed specification 2. Engine control system malfunction 3. TCC piston malfunction (solenoid drive circuit, hydraulic passage blockage, poor operation) ― Output solenoid valve malfunction (stuck) • TCC control solenoid 4. Torque converter malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	INSPECT ENGINE CONTROL SYSTEM FOR MALFUNCTION • Perform the symptom troubleshooting “NO.10 LOW IDLE/STALLS DURING DECELERATION”. (See NO.10 LOW IDLE/STALLS DURING DECELERATION [SKYACTIV-G 2.0].) • Is there any malfunction?	Yes	Repair or replace any malfunctioning parts according to the inspection result.
1		No	Go to the next step.
2	VERIFY IF MALFUNCTION CAUSE IS ENGINE CONTROL SYSTEM OR TORQUE CONVERTER • Perform the symptom troubleshooting “NO.5 ENGINE STALLS-AFTER START/AT IDLE”. (See NO.5 ENGINE STALLS-AFTER START/AT IDLE [SKYACTIV-G 2.0].) • Is there any malfunction?	Yes	Repair or replace any malfunctioning parts according to the inspection result.
2		No	Replace the automatic transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [FW6A-EL].)