Test Description
The number below refers to the step number on the diagnostic table.
- 3: This step attempts to pinpoint the location of the intermittent fault.
DTC P1106
| Step | Action | 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 |
|
Go to Diagnostic Trouble Code (DTC) List - Vehicle | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Step 8 |
| 4 | Test the low reference circuit between the ECM and the MAP sensor for an intermittent open or for high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 8 | Go to Step 5 |
| 5 |
IMPORTANT:
Disconnecting the ECM may eliminate the short during testing. Test the MAP sensor signal circuit between the ECM and the MAP sensor for an intermittent short to voltage. Refer to Circuit Testing
and Wiring Repairs
.Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 6 | Test for an intermittent and for a poor connection at the MAP sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 8 | Go to Step 7 |
| 7 | Test for an intermittent and for a poor connection at the ECM. Refer to Testing for Intermittent Conditions and Poor Connections
andConnector Repairs
. Did you complete the action? |
Go to Step 8 | - |
| 8 |
|
Go to Step 2 | Go to Step 9 |
| 9 | Observe the Capture Info with a scan tool. Are there any DTCs that have not been diagnosed? |
Go to Diagnostic Trouble Code (DTC) List - Vehicle | System OK |