Component Testing
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
S39 Ignition Switch
- Ignition OFF, disconnect the X1 harness connector at the S39 Ignition Switch.
- Using the Resistance Test below, verify the resistance between the terminals listed below match for each S39 Ignition Switch Position.
- If any reading is other than specified
Replace the S39 Ignition Switch.
- If the readings match
- If any reading is other than specified
- All OK.
Resistance Test
| Ignition Switch Position | Terminals 1 and 2 | Terminals 2 and 3 | Terminals 2 and 4 | Terminals 2 and 6 | Terminals 4 and 6 |
|---|---|---|---|---|---|
| OFF Key Out | Infinite | Infinite | Infinite | Infinite | Infinite |
| OFF Key In | Infinite | Infinite | <5.0 Ω | Infinite | Infinite |
| Accessory | Infinite | <5.0 Ω | Infinite | Infinite | Infinite |
| Run | <5.0 Ω | <5.0 Ω | Infinite | Infinite | <5.0 Ω |
| Start | <5.0 Ω | Infinite | Infinite | Infinite | 1275 - 1325 Ω |
S38 Ignition Mode Switch
- Ignition OFF, disconnect the harness connector at the S38 Ignition Mode Switch.
- With the S38 Ignition Mode Switch released, test for 4.5 - 5.5 kΩ between the terminals listed below:
- Signal terminal 6 and ground terminal 4
- Signal terminal 3 and low reference terminal 7
- If not between 4.5 - 5.5 kΩ
Replace the S38 Ignition Mode Switch
- If between 4.5 - 5.5 kΩ
- With the S38 Ignition Mode Switch pressed, test for 1 - 1.5 kΩ between the terminals listed below:
- Signal terminal 6 and ground terminal 4
- Signal terminal 3 and low reference terminal 7
- If not between 1 - 1.5 kΩ
Replace the S38 Ignition Mode Switch.
- If between 1 - 1.5 kΩ
- All OK.