Circuit/System Testing
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the radio harness connector X2 and VCIM harness connector X3.
- Test for less than 1 volt on the mono out circuit radio harness connector terminal 7and ground.
- If greater than specified value, repair short to voltage.
- Test for greater than 1 ohm between the mono out circuit radio harness connector terminal 7 and ground.
- If less than specified value, repair short to ground.
- Test for less than 1 ohm between the mono out circuit radio harness connector terminal 7 and the microphone out signal circuit VCIM harness connector terminal 1.
- If greater than specified value, repair open circuit.
- Test for less than 1 volt on the low reference circuit radio harness connector terminal 15 and ground.
- If greater than specified value, repair short to voltage.
- Test for greater than 1 ohm between the low reference circuit radio harness connector terminal 15 and ground.
- If less than specified value, repair short to ground.
- Test for less than 1 ohm between the low reference circuit radio harness connector terminal 15 and the low reference signal circuit VCIM harness connector terminal 2.
- If greater than specified value, repair open circuit.
- If all circuits test normal, replace the radio.