Test Description
WARNING: This page is about a different variant/trim than selected.
The number below refers to the step number on the diagnostic table.
- 3: The throttle valves are spring loaded in a slightly open position and should move in either direction without binding. The throttle valves should always be under spring pressure.
DTC P2101
| Step | Action | Value | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Engine Controls Schematics Connector End View Reference: Engine Controls Connector End Views or Engine Control Module (ECM) Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Observe the DTC information. Are DTCs P0120, P0220 or P2135 also set? |
- | Go to Diagnostic Trouble Code (DTC) List - Vehicle | Go to Step 3 |
| 3 |
|
- | Go to Step 11 | Go to Step 4 |
| 4 |
IMPORTANT:
Disconnecting the throttle body connector will cause additional codes to set.
|
11 V | Go to Step 8 | Go to Step 5 |
| 5 | Is the voltage less than the specified value? | 2 V | Go to Step 7 | Go to Step 6 |
| 6 | Test the TAC motor control circuit that measured above the specified value for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 13 | Go to Step 8 |
| 7 | Test the TAC motor control circuit that measured below the specified value for a short to ground. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 13 | Go to Step 10 |
| 8 | Test the TAC motor control 1 and TAC motor control 2 circuits for high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 13 | Go to Step 9 |
| 9 | Test for a poor connection or terminal tension at the throttle body connector. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 13 | Go to Step 11 |
| 10 | Test for a poor connection or terminal tension at the engine control module (ECM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 13 | Go to Step 12 |
| 11 | Replace the throttle body assembly. Refer to Throttle Body Assembly Replacement
. Did you complete the replacement? |
- | Go to Step 13 | - |
| 12 | Replace the ECM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 13 | - |
| 13 |
|
- | Go to Step 2 | Go to Step 14 |
| 14 | Observe the Capture Info with a scan tool. Does the scan tool display any DTCs that you have not diagnosed? |
- | Go to Diagnostic Trouble Code (DTC) List - Vehicle | System OK |