Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for mechanical conditions or for binding that may be temperature related. Components may not move freely in extreme heat or cold due to the presence of contaminants or ice formation.
- If the condition is intermittent, refer to Intermittent Conditions .
DTC P2101
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Engine Controls Schematics Connector End View Reference: Powertrain Control Module (PCM) Connector End Views and Engine Controls Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check-Engine Controls? | - | Go to Step 2 | Go to Diagnostic System Check - Engine Controls |
| 2 | Is DTC 2108 also set? | - | Go to Diagnostic Trouble Code (DTC) List | Go to Step 3 |
| 3 | Is DTC 1518 also set? | - | Go to Diagnostic Trouble Code (DTC) List | Go to Step 4 |
| 4 |
|
100% | Go to Diagnostic Aids | Go to Step 5 |
| 5 | Test the ETC ignition 1 voltage circuit for high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 6 |
| 6 | Replace the throttle body assembly. Refer to Throttle Body Assembly Replacement (L26)
or Throttle Body Assembly Replacement (L32)
. Did you complete the replacement? |
- | Go to Step 7 | - |
| 7 |
|
- | Go to Step 2 | Go to Step 8 |
| 8 |
IMPORTANT:
Be aware that repairing 1 individual condition may correct more than 1 DTC. Observe the Capture Info with a scan tool.Are there any DTCs that have not been diagnosed? |
- | Go to Diagnostic Trouble Code (DTC) List | System OK |