Checking Signal Lead to Control Module [GA1]

Checking Signal Lead To Control Module





- Ignition off.
- Connect test box and check ground point as per JA. Connecting test box. Connecting Test Box [JA]
- Disconnect combination relay 15-pin connector.
- Disconnect control module.
- Ignition on.

Connect a voltmeter between #1 and #52 on test box. Voltmeter should read approx. battery voltage.

If reading is OK:
- Check signal lead to combination relay GA3. Checking Signal Lead to Combination Relay [GA3]

If reading is incorrect:
- Check signal to combination relay GA2. Checking Signal to Combination Relay [GA2]