Test Description
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table.
- 6: This step tests for the proper operation of the circuit in the normal voltage range.
DTC B2960
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Immobilizer Schematics Connector End View Reference: Immobilizer Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
- | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 | Does the scan tool display DTC B2947, B2948, B2957, or B2958? | - | Go to Diagnostic Trouble Code (DTC) List - Vehicle | Go to Step 4 |
| 4 | Have you replaced the Passlock™ sensor on this vehicle? | - | Go to Step 5 | Go to Step 6 |
| 5 | Have you performed a Passlock™ learn procedure after replacing the Passlock™ sensor? | - | Go to Step 6 | Go to Step 9 |
| 6 | With a scan tool, observe the Passlock™ data voltage for 1 minute. Does the scan tool indicate that the Passlock™ data voltage is changing more than the specified value? |
±0.02 V | Go to Step 7 | Go to Step 9 |
| 7 | Inspect for poor connections at the Passlock™ sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 8 |
| 8 | Replace the Passlock™ sensor in the ignition lock cylinder case. Refer to Ignition Lock Cylinder Case Replacement
. Did you complete the replacement? |
- | Go to Step 9 | - |
| 9 | Perform the Programming Theft Deterrent System Components procedure. Is the repair complete? |
- | Go to Step 10 | - |
| 10 |
IMPORTANT:
Do not start the vehicle.
|
- | Go to Step 3 | System OK |