| CHECK AUTO A/C CONTROL MODULE SIGNALS. |
|
1) Press the defroster switch. 2) Turn the air flow control dial to VENT and measure the voltage between the auto A/C control module and the chassis ground when switching from DEF to VENT. Connector & terminal (i49) No. 8 (+) — Chassis ground (−): |
| QUESTION | |
|
Is the voltage 12 V or more? | |
| Yes | No |
|
|
Replace the auto A/C control module. |
