| Component Location |

| 1. SBW Control Unit (SCU) |
| Removal |
| 1. |
Turn ignition switch OFF and disconnect the negative (-) battery cable.
|
| 2. |
Disconnect the connector (A).
|
| 3. |
Remove the SBW Control Unit (SCU) (C) after removing the nuts (B).
|
| Installation |
| 1. |
To install, reverse the removal procedure.
|
Repair procedures Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2.
Repair procedures Inspection 1. Turn the ignition switch ON. 2. Manually operate the control switch and measure the voltage of the blower motor. 3. Select the control switch to raise the voltage until high speed.
Troubleshooting 1) After replacing H/UNIT, always check that the system operates properly. 2) If the failure persists after replacing the H/UNIT, do not replace the unit.