Checking Signal From Dash Board [GC4]

Checking Signal From Dash Board





- Ignition off.
- Disconnect hydraulic unit connector C/ED.
- Disconnect control module.
- Ignition on.

Connect a voltmeter between hydraulic unit connector C/ED terminal 10 (towards control module) and #1 on test box.

Voltmeter should read approx. battery voltage.

If reading is OK:
- Check lead between hydraulic unit connector C/ED terminal 10 and control module #44 for open circuit as per HA2. Open Circuit [HA2]

If reading is incorrect:
- Check that light bulb in dashboard is intact and check lead between hydraulic unit connector C/ED terminal 10 and dashboard connector terminal A:29 for open circuit as per HA2. Open Circuit [HA2]

- If light bulb and lead are OK, try another dashboard.