EATC Module C228b
EATC MODULE C228B CIRCUIT REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 3 | CKT 3051 (BK/YE) In-vehicle temperature and solar radiation sensor return | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 4 | CKT 3050 (WH/OG) In-vehicle temperature sensor reference voltage | Greater than 4.5 volts with EATC on. |
| 5 | CKT 476 (PK/YE) RH solar radiation sensor input | Greater than 4.5 volts with EATC on. |
| 14 | CKT 468 (BN) LH solar radiation sensor input | Greater than 4.5 volts with EATC on. |
| 18 | CKT 1120 (BK/WH) EATC module to front blower motor speed control module | Greater than 10,000 ohms to chassis ground and 0 volts. |