Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Data Link Communications System Check performed?
| --
| Go to
Step 2
| Go to
Data Link Communications System Check
|
2
|
- Inspect the data link connector (DLC) and repair any damaged terminals
if required.
- Verify that the Scan Tool
is
firmly connected to the DLC.
- Turn the ignition to the RUN position.
- Attempt scan tool communications with the powertrain control module
(PCM).
Can communications be established?
| --
| System OK
| Go to
Step 3
|
3
|
- Turn the ignition switch to the OFF postion.
- Disconnect the powertrain control module (PCM) connector C 2.
- Disconnect the electronic brake control module (EBCM) connector
C 1.
- Connect a J 39200
DMM on the
data link connector (DLC) from terminal 2 to terminal 4.
- Measure the resistance.
Is the resistance greater than the specified value?
| 10M ohms
| Go to
Step 5
| Go to
Step 4
|
4
| Locate and repair the short to ground in CKT 1807
(PPL).
Is the repair complete?
| --
| System OK
| --
|
5
|
- Connect a J 39200 DMM from the DLC terminal 16 to
terminal 2.
- Measure the voltage.
Is the voltage greater than the specified value?
| 1.0 V
| Go to
Step 6
| Go to
Step 7
|
6
| Locate and repair the short to B + in CKT 1807
(PPL).
Is the repair complete?
| --
| System OK
| --
|
7
|
- Connect a J 39200 DMM from the DLC terminal 2 to
the PCM connector C 2, cavity 58.
- Measure the resistance.
Is the resistance greater than the specified value?
| 1.0 ohms
| Go to
Step 8
| Go to
Step 9
|
8
| Locate and repair the open in CKT 1807.
Is the repair complete?
| --
| System OK
| --
|
9
|
- Connect the EBCM.
- Connect the PCM.
- Turn the ignition switch to the RUN position.
- Install the scan tool.
- Attempt to establish communications with the PCM.
Can communications be established?
| --
| System OK
| Go to
Step 1
|
