NO.22 NO ENGINE BRAKING IN L RANGE [JA5A-EL]


22	No engine braking in L range
DESCRIPTION	• Engine speed drops to idle but vehicle coasts when accelerator pedal is released during cruising at medium to high speeds. • Engine speed drops to idle but vehicle coasts when accelerator pedal is released when in L range at low vehicle speed.
POSSIBLE CAUSE	1. Clutch slippage, burnt (Reduction brake) • Line pressure low • VSS malfunction • Input/turbine speed sensor malfunction • Sensor GND malfunction • Control valve body malfunction 2. TCM does not determine that the HOLD switch is ON (short, or open circuit, poor operation) • HOLD switch signal malfunction Note • Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.


STEP	INSPECTION		ACTION
1	Inspect the TR switch adjustment. Does the TR switch adjusted properly? Select the PNP PID. Is the PNP PID reading normal when selecting range?	Yes	Go to the next step.
1		No	Adjust the TR switch if necessary. (See TRANSAXLE RANGE (TR) SWITCH ADJUSTMENT [JA5A-EL].) Inspect the TR switch. Repair or replace any malfunctioning parts.
2	Do the following symptoms occur concurrently? • Engine flares up or slips during acceleration • Engine flares up or slips when shifting	Yes	Go to No.14 "ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING" or No.15 "ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE".
2		No	Go to the next step.
3	• Verify the test results. - If normal, return to the diagnostic index to service any additional symptoms. - If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. • If the vehicle is repaired, troubleshooting is completed. • If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.