Check Signal Lead Connector [EF7]
Check Signal Lead Connector
- Ignition off.
- Disconnect wheel sensor.
- Disconnect control module.
- Check rear wheel sensor connector 24/19, 24/4 and 24/2 for loose contact as per HA5, contact resistance and oxidation as per HA6. Checking Leads and Connections [HA]
Connect an ohmmeter between wheel sensor terminal 1 and test box:
- #45 (DTC 3-1-4)
- #46 (DTC 3-1-3)
NOTE: In cars with integrated cabling to rear wheel sensors, take readings between test box:
- #45 and connector 24/19 terminal 2 (DTC 3-1-4)
- #46 and connector 24/19 terminal 1 (DTC 3-1-3).
Ohmmeter should read approx. 0 Ohms.
If reading is OK:
- DTC was due to poor contact in wheel sensor connector.
If reading is incorrect:
- Check lead between wheel sensor connector terminal 1 and control module terminal #45 (DTC 3-1-4) and #46 (DTC 3-1-3) for open circuit as per HA2. Open Circuit [HA2]
NOTE: In cars with integrated cabling to rear wheel sensors, check lead between wheel sensor connector:
- 24/19 terminal 2 and #45 on control module (DTC 3-1-4)
- 24/19 terminal 1 and #46 on control module (DTC 3-1-3) for open circuit as per HA2. Open Circuit [HA2]