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 low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.
DTC B0162
| 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 OC? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 3 |
|
Go to Step 6 | Go to Step 4 |
| 4 | Test the signal circuit of the ambient air temperature sensor for a short to voltage, a high resistance, or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 10 | Go to Step 5 |
| 5 | Test the ground circuit of the ambient air temperature sensor for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 10 | Go to Step 7 |
| 6 | 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 10 | Go to Step 8 |
| 7 | Inspect for poor connections at the harness connector of the DIC. 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 10 | Go to Step 9 |
| 8 | 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 10 | - |
| 9 | Replace the DIC. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 10 | - |
| 10 |
|
Go to Step 2 | System OK |