Step
| Action
| Value(s)
| Yes
| No
|
|
Important::
| • | Inspect the condition of the body control module (BCM), Ign 1,
the cruise and the park lamp fuses (located in the fuse block and the body
wiring harness junction block). If any fuse is open, replace the
fuse and retest system for intermittent fuse failure. If the
fuse continues to fail locate and repair the source of overload.
Refer to
Power Distribution Schematics
. |
| • | Inspect in order to make sure that Ground G203 and G304 are clean
and tight. |
| • | This diagnostic table assumes that all other chimes function properly. |
|
1
| Did you perform the Diagnostic
System Check - Audible Warnings?
| --
|
Go to Step 2
| Go to
Diagnostic System Check - Audible Warnings
|
2
| Verify
the fault is present.
Does the system operate normally?
| --
| Go to
Testing for Intermittent Conditions and Poor Connections
|
Go to Step 3
|
3
|
- Turn ON the ignition with the engine OFF.
- Using a scan tool, read the BCM input data for the seat belt.
Does the scan tool read the specific value?
| YES
|
Go to Step 4
|
Go to Step
10
|
4
|
- Turn OFF the ignition.
- Remove the connector combs from the BCM connector C1, leaving
the BCM connected.
- Using the appropriate probe from the J 35616
connector test adapter kit, backprobe the seatbelt switch
signal circuit to ground with a fused jumper.
- Turn ON the ignition with the engine OFF.
Does the seat belt chime sound?
| --
|
Go to Step 5
|
Go to Step
10
|
5
|
- Turn OFF the ignition.
- Disconnect the seat belt switch.
- Connect a fused jumper between the seatbelt switch signal circuit
and ground.
- Turn ON the ignition with the engine OFF.
- Does the seat belt chime sound?
| --
|
Go to Step 7
|
Go to Step 6
|
6
| Repair the open in the seatbelt switch signal circuit between the BCM
and the seat belt switch or the inflatable restraint sensing and
the diagnostic module. Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
|
Go to Step 11
| --
|
7
| Connect
a fused jumper between the seatbelt switch signal circuit and the switch ground
circuit.
Does the seat belt chime sound?
| --
|
Go to Step 8
|
Go to Step
9
|
8
| Replace the seat belt switch. Refer
to
Front Seat Belt Buckle Replacement
in Seat Belts.
Did you complete the replacement?
| --
|
Go to Step 11
| --
|
9
| Repair the open in the switch ground circuit between the seat belt switch
and ground. Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
|
Go to Step 11
| --
|
10
| Replace
the BCM. Refer to
Body Control Module Replacement
in Body Control Systems.
Did you complete the replacement?
| --
|
Go to Step 11
| --
|
11
| Operate the system in order to verify the repair.
Did you correct the condition?
| --
| System OK
|
Go to Step 3
|
