Test Description
The number below refers to the step number on the diagnostic table.
- 3: Tests for the proper operation of the circuit in the high voltage range.
DTC B0160
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Information System Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Does the driver information center (DIC) display SC? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 3 |
|
Go to Step 5 | Go to Step 4 |
| 4 | Test the signal circuit of the ambient air temperature sensor for a short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 7 |
| 5 | Inspect for poor connections at the harness connector of the ambient air temperature sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 6 | Replace the ambient air temperature sensor. Refer to Ambient Air Temperature Gage Sensor Replacement (Oldsmobile) or Ambient Air Temperature Gage Sensor Replacement (Chevrolet/Pontiac) . Did you complete the replacement? |
Go to Step 8 | - |
| 7 | Replace the DIC. Refer to Control Module References
in Computer/Integrating System for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 8 | - |
| 8 |
|
Go to Step 2 | System OK |