Chevrolet Cobalt Service & Repair Manual: Pinpoint Test
| Ensure battery voltage is greater
than 12 volts prior to and during pinpoint test. |
| Caution: Do not have a battery
charger attached during vehicle testing. |
| Warning: Never use electrical
test equipment on any circuit related to the SRS unless instructed by the
manufacturer. SRS wiring harnesses can be identified by yellow and/or orange
harnesses or harness connectors. |
| 1. |
Obtain manufacturer pinpoint test tables
for vehicle system to be tested. |
| 2. |
Obtain required manufacturer connector
views for any electrical connectors involved in testing. |
| 3. |
Following pinpoint test table, use
a multimeter and/or 12V test light to test circuits as instructed.
Manufacturer connector views will help identify color/number of
wire circuits to be tested at connector. |
| 4. |
Once issue has been located, correct
issue and retest electrical system as outlined in "Retest System." |
|
Refer to Fig. 1
when performing following procedure.
1.
Disconnect battery ground cable.
2.
Raise and support vehicle.
...
1.
Remove accessory trim panel and disconnect
electrical connectors.
2.
Remove mounting screws and pull radio
out.
...
Oil Pressure Switch R&R
Radio, Replace