if the light is not being commanded ON the screen will display OFF.
Spark Advance (°)
Range: -90° to +90°
The amount of spark advance or timing from the ignition module.
Displayed in crankshaft degrees.
Start Up Coolant Temp (°F)
Range: -40° to + 389°
The temperature of the coolant when the engine is started, displayed in
°F. After starting a cold engine, this reading and the Coolant Temp reading
should be the same, however, the start-up temperature value will not
change until the engine is started again.
TCC Status (Locked / Not Locked)
Torque converter clutch command. When ON, the TCC is locked to
eliminate fluid slippage and improve fuel economy. The reading indicates
whether or not the command to engage the TCC has been sent.
TCC Duty Cycle (% Open)
Range: 0 to 100%
The duty cycle of the solenoid that controls torque converter pressure. In
percentage of open, 100% is fully open (low pressure).
TCC Clutch (Engaged / Disengaged)
An indication whether or not the torque converter clutch is engaged.
TCC Slippage (RPM)
Range: +254 to -254 RPM
The amount of slippage between the engine and the transmission. When
the torque converter is on, the slippage should be small. Displayed in
RPM.
TCC Solenoid (On / Off)
This item shows the ECM command to the torque converter clutch
output solenoid. Use TCC Status to make sure the torque converter has
actually engaged.
Third Gear (Engaged / Disengaged)
If the ECM is commanding third gear, the screen should show ENGAGED.
Otherwise, the screen should show DISENGAGED.
Throttle Angle (%)
Range: 0 to 100%
Displayed as a percentage of throttle opening with 0% being a closed
throttle and 100% being a wide open throttle (some vehicles have wide
open throttle valves of 99%).
Throttle Sensor (Volts)
Range: 0 to 5 Volts
Throttle position sensor input. Displayed in volts. The reading should be
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Summary of Contents for EX-SCAN 5000
Page 1: ...USERS MANUAL...
Page 95: ...NOTES Page 95...
Page 96: ...NOTES Page 96...
Page 97: ...NOTES Page 97...