SELF-DIAGNOSTICS
A/C-heater control assembly monitors system circuits and stores a code in memory if a problem is detected. All codes are stored in memory. To retrieve stored codes, see RETRIEVING DIAGNOSTIC TROUBLE CODES. Codes are displayed at A/C-heater control assembly temperature display. see scheme 2
TESTING
| WARNING | To avoid injury from accidental air bag deployment, read and carefully follow all SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM procedures in AIR BAG SYSTEM SAFETY article in GENERAL SERVICING. |
Air Outlet Servomotor Functional Test
- Remove air outlet servomotor. Unplug air outlet servomotor connector. Connect air outlet servomotor terminal No. 2 (Black/Yellow wire) to battery voltage. (Scheme 4) Connect terminal No. 1 (White/Black wire) to ground. Air outlet servomotor lever should move to specified position when the appropriate terminal is grounded. See «AIR OUTLET SERVOMOTOR LEVER POSITIONS»(ref-374-S05584844292000030800000) table.
- Replace air outlet servomotor if it does not operate as specified. If servomotor operates correctly, inspect wiring harness and connectors between servomotor and A/C control assembly. If items are okay, substitute known-good A/C control assembly. Retest system.
| Ground Terminal No. | Lever Position |
|---|---|
| 4 | Face |
| 5 | Bi-Level |
| 6 | Foot |
| 7 | Foot/Defrost |
| 8 | Defrost |
AIR OUTLET SERVOMOTOR LEVER POSITIONS
