Automatic Transmission/Transaxle: Service Precautions

Automatic Transmission

--> [ Multi-Function Transmission Range Switch, Checking ] Multi-Function Transmission Range Switch, Checking

--> [ Transmission Input Speed Sensor, Checking ] Transmission Input Speed Sensor, Checking

--> [ Transmission Output Speed, Checking ] Transmission Output Speed, Checking

--> [ Transmission Fluid Temperature Sensor, Checking ] Transmission Fluid Temperature Sensor, Checking

--> [ Solenoid Valves in Valve Body, Checking ] Solenoid Valves in Valve Body, Checking

--> [ Automatic Transmission Hydraulic Pressure Sensor 1, Checking ] Automatic Transmission Hydraulic Pressure Sensor 1, Checking

--> [ Automatic Transmission Hydraulic Pressure Sensor 2, Checking ] Automatic Transmission Hydraulic Pressure Sensor 2, Checking

--> [ Transmission Control Module Voltage Supply, Checking ] Transmission Control Module Voltage Supply, Checking

--> [ Transmission Control Module CAN-Bus Terminal Resistance, Checking ] Transmission Control Module CAN-Bus Terminal Resistance, Checking

Observe Safety Precautions:

Check the Technical Bulletins for information that may supersede any information included in this service information.

The Transmission Control Module (TCM) (J217) receives information from the components that affect the shifts and forwards this information to the pressure regulator valves of the valve body, which control the slide valves in the valve body.

• All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase.

• Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool.

• The manufacturers test box is available for purchase or rental.

• Certainly you have received an electrical shock once before when touching something made out of metal. The reason for this is the electrostatic charge of the human body. This charge can lead to functional problems by touching the electrical components of the transmission and selector lever mechanism. Touch a grounded object, e.g. a water pipe or a hoist, before working on the electrical components!

• Do not make direct contact on electrical harness connector terminals!

• If special testing equipment is required during road test, note the following:

Safety precautions

CAUTION!
Observe the following for all installations, especially in engine compartment due to lack of room:

• Route lines of all types (e.g. for fuel, hydraulic, EVAP canister system, coolant and refrigerant, brake fluid, vacuum) and electrical wiring so that the original path is followed.

• Watch for sufficient clearance to all moving or hot components.

• Shift selector lever into position -P- and engage parking brake before working with the engine running.

CAUTION!
• Test equipment must always be secured to the rear seat and operated by a second person.

If test and measuring equipment is operated from the passenger seat, the person seated could be injured in the event of an accident involving deployment of the passenger-side airbag.

The use of nails, paper clips, or another unauthorized materials to back-probe electrical harness connectors is strictly prohibited and may cause damage to the electrical harness connectors, terminal ends or damage to a component. Use only the manufacturers test lead kit or an equivalent aftermarket test lead kit for back-probing all electrical harness connectors.