Diagnostic Aids
WARNING: This page is about a different car, the 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
For an intermittent condition, the vehicle may need to be operated within the conditions captured in the Freeze Frame/Failure Records. Inspect for one of the following conditions, if the code does set intermittently while operating within the conditions captured in the Freeze Frame/Failure Records. If one of the following conditions are not present, refer to Intermittent Conditions for inspections that would help aid in diagnosing an intermittent condition.
- Damage to the CKP reluctor wheel
- Incorrect sensor installation
- The sensor coming in contact with the CKP reluctor wheel
- A cracked or damaged sensor
- Foreign material passing between the sensor and the CKP reluctor wheel
DTC P0335
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Engine Controls Schematics Connector End View Reference: Powertrain Control Module Connector End Views or Engine Controls Connector End Views |
||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE |
| 2 | Attempt to start the engine. Does the engine start and run? |
- | Go to Step 3 | Go to Step 4 |
| 3 |
|
- | Go to Step 4 | Go to Diagnostic Aids |
| 4 |
|
600-1,100 Ω | Go to Step 5 | Go to Step 7 |
| 5 | Measure the resistance between the signal circuit of the CKP sensor and a good ground with a DMM. Refer to Circuit Testing
. Is the resistance less than the specified value? |
OL | Go to Step 6 | Go to Step 9 |
| 6 |
|
- | Go to Step 9 | Go to Step 11 |
| 7 |
|
5 Ω | Go to Step 8 | Go to Step 14 |
| 8 | Measure the resistance of the low reference circuit of the CKP sensor from the harness connector of the PCM to the harness connector of the CKP sensor with a DMM. Is the resistance less than the specified value? |
5 Ω | Go to Step 10 | Go to Step 15 |
| 9 | Test the signal circuit for one of the following conditions:
Did you find and correct the condition? |
- | Go to Step 18 | Go to Step 11 |
| 10 | Test for shorted terminals or a poor connection at the CKP sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 18 | Go to Step 12 |
| 11 | Test for shorted terminals or a poor connection at the PCM. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 18 | Go to Step 17 |
| 12 |
|
- | Go to Step 18 | Go to Step 13 |
| 13 | Inspect the CKP reluctor wheel for the following conditions:
Did you find and correct the condition? |
- | Go to Step 18 | Go to Step 16 |
| 14 | Repair an open or high resistance in the signal circuit of the CKP sensor. Refer to Wiring Repairs
. Did you complete the repair? |
- | Go to Step 18 | - |
| 15 | Repair an open or high resistance in the low reference circuit of the CKP sensor. Refer to Wiring Repairs
. Did you complete the repair? |
- | Go to Step 18 | - |
| 16 | Replace the CKP sensor. Refer to Crankshaft Position Sensor Replacement
. Did you complete the replacement? |
- | Go to Step 18 | - |
| 17 | Replace the PCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 18 | - |
| 18 |
|
- | Go to Step 2 | Go to Step 19 |
| 19 | Observe the Capture Info with a scan tool. Have any other DTCs not been diagnosed? |
- | Go to Diagnostic Trouble Code (DTC) List - Vehicle | System OK |