12
SECTION 3
WITHOUT PROGNOSTICS +
WITH OIL LEVEL SENSOR
Fluid Levels
The transmission fluid cools, lubricates and transmits hydraulic power,
so it is important that the proper fluid level be maintained at all times.
If the fluid level is too low, the converter and clutches do not receive an
adequate supply of fluids. If the fluid level is too high, the fluid can aerate
causing the transmission to shift erratically or overheat.
Checking Fluid Levels
Use the following procedure to display oil level information.
To enter the oil level function:
1. Park the vehicle on a level surface, shift to N (NEUTRAL)
and apply the parking brake.
2. Using a pushbutton shift selector, simultaneously
press the UP and DOWN arrows one time.
For a bump lever shift selector, press
the DIAGNOSTICS button one time.
3. The fluid level reading will be delayed until
the following conditions are met.
• Engine must be at idle.
• Transmission is in N (NEUTRAL).
• Output speed must be zero.
• Fluid temperature must be between 104F (40C)
and 220F (104C).
• Vehicle has been stationary for two minutes to allow
the fluid to settle.
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