Suspension Control Module: Testing and Inspection

Fig. 5 AAS Control Unit Terminals A, B, B And M:

1. Remove rear seat and the control unit cover.
2. Disconnect AAS control unit connectors, then turn ignition switch to On position.
3. Check voltage and continuity. There should be 12 volts between terminal M and body ground and between terminal a and body ground, Fig. 5. There should be continuity between terminal B and body ground and between terminal b and body ground.
4. If voltage and/or continuity is not as specified, check or repair power supply or ground circuit.