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Engine, Fuel & Ignition Control Systems - Removal & Installation, Specifications: Overhaul Volvo V70 II

Engine Control Systems 9 illustrations ~138 words

Disassembling

Special tools

9988695

Scheme 157

Scheme 157: Ignition Off. Disconnect Battery Negative Lead

Check that the customer has left the radio code.

WARNINGBefore assembling the steering wheel the ignition should be in position II. Then the battery negative should be reconnected. Ensure that nobody is in the car when the battery is being connected.

Scheme 158

Scheme 158: Removing Steering Wheel Screws

Leave the screws on the reverse of the steering wheel in their countersunk holes.

2 Torx 30 screws.

Scheme 159

Scheme 159: Removing Steering Wheel Module
WARNINGThe battery must not be connected when the SRS ignition cable connector is removed or installed.
WARNINGUnder no circumstances use an ohmmeter or other live measuring instrument to take readings on a disconnected, non-deployed airbag module. This could deploy the airbag.
WARNINGThe steering wheel module must never be taken apart, repaired or moved to another vehicle. For handling replaced module, see HANDLING REPLACED SRS AIRBAGS/SEAT BELT TENSIONERS .

Scheme 160

Scheme 160: Placing The Steering Wheel Module
CAUTIONIf a non-deployed steering wheel module is removed temporarily, it should be placed with the metal side (rear) downwards in a protected place.

Scheme 161

Scheme 161: Connecting Special Tool

Connect special tool 9988695

If the ignition is switched on when neither the steering wheel module nor special tool are connected, a diagnostic trouble code (DTC) will be stored indicating an open-circuit. Any diagnostic trouble code (DTC) must be erased.

Scheme 162

Scheme 162: Slacken Off Center Screw

Slacken off the screw but leave it in place. The screw should be loose enough to unscrew by hand.

Scheme 163

Scheme 163: Reconnect The Battery Negative Lead

Scheme 164

Scheme 164: Align Front Wheels
  1. Drive the car straight forwards or backwards on a level surface so that the wheels point straight ahead.
CAUTIONIt is always important to point the wheels straight ahead when carrying out work that requires the removal of the steering wheel and/or contact reel.
WARNINGDo not drive the car further than necessary to align the front wheels. The steering wheel is not properly tightened and the steering wheel module has been removed.

Scheme 165

Scheme 165: Disconnect The Battery Negative Lead