Boost Gage Inoperative
Boost Gage Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Instrument Cluster 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 | Turn ON the ignition, with the engine OFF. Does the boost gage perform a self test by the gage dial moving to 0 kPa (0psi) when the ignition is turned ON? |
Go to Step 5 | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Step 6 |
| 4 | Connect a test lamp between the boost gage ignition 1 voltage circuit and the boost gage ground circuit. Does the test light illuminate? |
Go to Step 9 | Go to Step 7 |
| 5 | Test the boost gage signal circuit for the following:
Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 8 |
| 6 | Test the ignition 1 voltage circuit of the boost gage for an open or for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 9 |
| 7 | Test the ground circuit of the boost gage for an open or for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 9 |
| 8 | Inspect for a poor connection at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 9 | Replace the boost gage. Refer to BOOST GAGE replacement. Did you complete the replacement? |
Go to Step 11 | - |
| 10 | Replace the ECM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 4 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |