Page 107 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)
P. 107
74
*
D
NEU
=
REV
PARK
RANGE
4
5
2
3
6
1
P
R
N
1st
5th
4th
3rd
2nd
6th
COLUMN #
GEAR
1st Braking
1
ON
ON
ON
OFF
OFF
OFF
ON
SOL
OFF
OFF
OFF
SHIFT
2
ON
ON
ON
ON
ON
ON
ON
ON
ON
SOL
OFF
SHIFT
APPLIED WITH NO LOAD.
CONDITION
NO 1ST GEAR.
PC
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
1-2-3-4 CL
SOL 5 N.L.
NO 2ND OR 6TH GEARS.
PC
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
2-6 CL
SOL 4 N.L.
NO 4TH, 5TH OR 6TH GEARS.
default to the optimum gear to allow safe operation.
ON
PC
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
NO 1ST, 2ND, 3RD OR 4TH GEARS.
NO 3RD, 5TH OR REVERSE GEARS.
3-5 REV CL
SOL 2 N.H.
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
LOW REV
SOL 3 N.H.
4-5-6 CL PC
NO REVERSE OR ENGINE BRAKING IN 1ST GEAR.
Figure 69
Refer to the model specific service manual for specific codes and defaults.
1
1-2-3-4
CLUTCH
APPLIED
APPLIED
APPLIED
APPLIED
APPLIED
2
3-5 REV.
CLUTCH
APPLIED
APPLIED
APPLIED
RANGE REFERENCE CHART
NOTE: FOR PRESSURE CONTROL (PC) SOLENOIDS, "ON" = PRESSURIZED, "OFF" = NO PRESSURE.
4th, 5th or 6th gear when an electrical failure occurs, the transmission will default to 5th gear.
OPERATING CONDITIONS
3
4-5-6
APPLIED
CLUTCH
APPLIED
APPLIED
2-6
4
CLUTCH
APPLIED
APPLIED
EXPECTED OPERATING CONDITION IF COMPONENT IN COLUMN NUMBER IS INOPERATIVE:
5
CLUTCH
APPLIED
APPLIED
APPLIED*
APPLIED*
LOW & REV.
6
LOW
SPRAG
CLUTCH
HOLDING
HOLDING
transmission is in 1st, 2nd or 3rd gear during an electrical failure, the transmission will default to 3rd gear. If the transmission is in
mode. Depending on the vehicle speed, transmission range, the component and which position it is stuck in, the transmission will
Electrical failure of any shift solenoid or pressure control solenoid will result in a default to the transmission protection mode. If the
Mechanical failure within a shift solenoid or pressure control solenoid will again result with the transmission going into a protection
NOTE: FOR SHIFT SOLENOIDS 1 AND 2, "ON" = SOLENOID ENERGIZED (PRESSURIZED), "OFF" = SOLENOID DE-ENERGIZED (NO PRESSURE).
78A