Checking Hydraulic Unit Connector [GC3]

Checking Hydraulic Unit Connector





- Ignition off.
- Check hydraulic unit connector C/ED for contact resistance and oxidation as per HA6. Contact Resistance and Oxidation [HA6]
- Connect hydraulic unit connector C/ED.
- Disconnect control module.
- Ignition on.

Connect a voltmeter between #1 and #44 on test box.

Voltmeter should read approx. battery voltage.

If reading is OK:
- Fault was due to poor contact in hydraulic unit connector.

If reading is incorrect:
- Check signal from dashboard GC4. Checking Signal From Dash Board [GC4]