WORKHORSE CUSTOM CHASSIS
Service Manual
Automatic Transmission – Allison
2007 W Series
© 2006 Workhorse Custom Chassis — All Rights Reserved
SECTION
7.2
PAGE
201
2007 W Series Chassis
WSM082106
5. This step tests for turbine speed not remaining at zero
in 2nd range.
DTC P0732
Step
Action
Value
Yes
No
Schematic Reference: Automatic Transmission Controls Schematics
1
Did you perform the Diagnostic System Check - Vehicle?
—
Go to Step 2
Go to Diagnostic
System Check -
Vehicle
2
Measure the transmission fluid level. Refer to Transmission Fluid Checking
Procedure .
Is the transmission fluid level correct?
—
Go to Step 3
Go to Transmission
Fluid Checking
Procedure
3
1. Install the scan tool.
2. Turn ON the ignition, with the engine OFF.
IMPORTANT:
Before clearing the DTC, use the scan tool in order to
Before clearing the DTC, use the scan tool in order to
record the Freeze Frame and Failure Records for reference.
record the Freeze Frame and Failure Records for reference.
The Clear Info function will erase the data.
The Clear Info function will erase the data.
3. Record the DTC Freeze Frame and Failure Records.
4. Clear the DTC.
5. Using the scan tool, measure ignition voltage.
Is the voltage within the specified range?
9-18 V
Go to Step 4
Go to DTC P0562
for low voltage or
DTC P0563 for high
voltage
4
1. Drive the vehicle under normal operating conditions.
2. Using the scan tool, monitor engine, turbine and output-speed read-
ings.
Is speed sensor data erratic?
—
Go to the appropri-
ate speed sensor
DTC
Go to Step 5
5
Refer to Transmission Stall Test Notice.
Conduct a clutch test for 2nd range. Refer to Clutch Test.
Did turbine speed remain at zero?
—
Go to Diagnostic
Aids
Go to Step 6