Step
| Action
| Value(s)
| Yes
| No
|
|
Important: In order to avoid misdiagnosis, check for powertrain control module
(PCM) diagnostic trouble codes (DTCs). Refer to Engine Controls.
|
1
|
- Disconnect the body control module (BCM) connector C3.
- Attach a fused jumper between the BCM connector C3 terminal C12
and the ground.
Does the SECURITY indicator illuminate?
| --
|
Go to Step 2
|
Go to Step 3
|
2
|
- Test for a poor connection at the BCM connector C3 terminal C12.
- If the connection is OK, replace the BCM. Refer to
Body Control Module Replacement
in Body Control
Systems.
Is the repair complete?
| --
| System OK
| --
|
3
|
- Remove the instrument cluster.
- Connect a test lamp between the instrument cluster connector terminal
A13 and terminal A3.
- Connect a fused jumper between BCM connector C3 terminal C12 and
ground.
Does the test lamp light?
| --
|
Go to Step
4
|
Go to Step
5
|
4
|
- Test for a poor connection at the instrument cluster connector
terminal A3 and terminal A13.
- If the connections are OK, replace the instrument cluster. Refer
to
Instrument Cluster Replacement
in Instrument Panel, Gauges and Console.
Is the repair complete?
| --
| System OK
| --
|
5
|
- Test for an open in circuit 728 between the instrument cluster
connector terminal A3 and the BCM connector C3 terminal C12.
- If the connection is OK, repair the open in circuit 640 between
S211 and the instrument cluster connector terminal A10.
Is the repair complete?
| --
| System OK
| --
|
