Pin Voltage Tests
Ensure all pin voltage values at body Electronic Control Unit (ECU) are within specification. Body ECU contains 18-pin and 25-pin connectors. See Fig 1. Measure voltage (backprobe) between body ECU 25-pin connector terminal No. 25 (ground) and appropriate terminal, under specified conditions. See BODY ECU PIN VOLTAGE TEST table.
BODY ECU PIN VOLTAGE TEST
| Terminal No. (1) | Condition | Volts | |||
|---|---|---|---|---|---|
| 18-Pin Connector | |||||
| 13 | At All Times | 9-14 | |||
| 14 | At All Times | 10-14 | |||
| 5 | Ignition On, Driver Power Window Off | Less Than One | |||
| Ignition On, Driver Power Window Operating Upward | 9-14 | ||||
| 4 | Ignition On, Driver Power Window Off | Less Than One | |||
| Ignition On, Driver Power Window Operating Downward | 9-14 | ||||
| 11 | At All Times | 9-14 | |||
| 12 | Driver Power Window Off | Less Than One | |||
| Driver Power Window Operating Upward | 9-14 | ||||
| 9 | Auto Down Switch Off | Less Than One | |||
| Ignition On, Auto Down Switch On | 9-14 | ||||
| 6 | Door Lock Manual Switch Off Or Unlock | Less Than One | |||
| Door Lock Manual Switch Off | About 5 | ||||
| 15 | Door Lock Manual Switch Off | Less Than One | |||
| Door Lock Manual Switch Unlock | About 5 | ||||
| 7 | Door Key Lock & Unlock Switch Off | About 5 | |||
| Door Key Lock & Unlock Switch On | Less Than One | ||||
| 17 | Passenger Door Key Lock/Unlock Switch Off | About 5 | |||
| Passenger Door Key Lock/Unlock Switch On | Less Than One | ||||
| 16 | Driver Door Key Lock/Unlock Switch Off | About 5 | |||
| Driver Door Key Lock/Unlock Switch On | Less Than One | ||||
| 13 | Door Lock Is Operating To Lock | 9-14 | |||
| 1 | Door Lock Is Operating To Unlock | 9-14 | |||
| 25-Pin Connector | |||||
| 14 | At All Times | 9-14 | |||
| 15 | Ignition Off | Less Than One | |||
| Ignition On | 9-14 | ||||
| 19 | Key In Ignition | Less Than One | |||
| Key Not In Ignition | 9-14 | ||||
| 12 | Driver Power Window Off | Less Than One | |||
| Driver Power Window Operating Upward | 9-14 | ||||
| 24 | Driver Power Window Off | Less Than One | |||
| Driver Power Window Operating Downward | 9-14 | ||||
| 21 | Driver Door Unlocked | Less Than One | |||
| Driver Door Locked | About 5.7 | ||||
| 23 | Passenger Door Unlocked | Less Than One | |||
| Passenger Door Locked | About 5.7 | ||||
| 13 | Door Lock Operating To Lock | 9-14 | |||
| 1 | Door Lock Operating To Unlock | 9-14 | |||
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