NO.22 NO ENGINE BRAKING IN 1GR POSITION OF M RANGE (GENERAL (L.H.D.) SPECS. SPORT AT) [FN4A-EL]


22	No engine braking in 1GR position of M range
DESCRIPTION	• Engine speed drops to idle but vehicle coasts when accelerator pedal is released when in 1GR of M range at low vehicle speed.
POSSIBLE CAUSE	1. Clutch slippage, burned (low and reverse brake) • Line pressure low • Shift solenoid D malfunction • Shift solenoid E malfunction • Shift solenoid C malfunction • Control valve body malfunction • Body GND malfunction 2. Signal malfunction • TP sensor malfunction • Accelerator pedal position sensor malfunction • Vehicle speed sensor malfunction • Sensor GND malfunction • Input/turbine speed sensor malfunction 3. M range switch ON not judged by PCM (Sport AT without TCM) or TCM (Sport AT with TCM) (short, or open circuit, poor operation) • M range switch signal malfunction Note • Before following troubleshooting steps, make sure that Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted. (See BASIC INSPECTION (GENERAL (L.H.D.) SPECS. SPORT AT) [FN4A-EL].)


STEP	INSPECTION		ACTION
1	Do the following symptoms concurrently occur? • Engine flares up or slips during acceleration. • Engine flares up or slips when shifting.	Yes	Go to symptom troubleshooting NO.14 "ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING" or No.15 "ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE".
1		No	Repeat basic inspection and repair or replace any defective parts according to inspection result. (See BASIC INSPECTION (GENERAL (L.H.D.) SPECS. SPORT AT) [FN4A-EL].)
2	• Verify test results. - If okay, return to diagnostic index to service any additional symptoms. - If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. • If vehicle repaired, troubleshooting completed. • If vehicle not repaired or additional diagnostic information not available, replace TCM.