Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Audible Warnings System Check performed?
| --
|
Go to Step 2
| Go to
Audible Warnings System Check
|
2
|
- Set the interior lamps switch to the AUTO position.
- Open and close the LH front door.
Are the front courtesy lamps on with the door open and off with the
door closed (after a 25-second delay)?
| --
|
Go to Step
3
| Go to
Interior Lamps System Check
|
3
|
- Connect a scan tool to the Data Link Connector (DLC).
- Ignition switch ON.
- Select the Instrument Panel Integration Module (IPM) system on
the scan tool.
- Select the Data Display function, non HVAC Data.
- View the status of the key in ignition input.
Is the key in ignition input YES?
| --
|
Go to Step
10
|
Go to Step 4
|
4
|
- Ignition switch OFF.
- Disconnect the Instrument Panel Integration Module (IPM) connector
C1.
- Using a DMM, measure resistance from IPM connector C1 terminal
D7 to ground.
- Wait 5 seconds and check reading.
Does the resistance vary between the specified values when the key is
in the ignition and when the key is removed?
| 5 ohms or less (Key-in-ignition)
OL (Key not in ignition)
|
Go to Step
10
|
Go to Step 5
|
5
|
- Disconnect the ignition switch connectors C1 and C2.
- Connect a fused jumper from ignition switch connector C2 terminal
D to connector C1 terminal E.
- Using a DMM, measure resistance from IPM connector C1 terminal
D7 to ground.
Is resistance less than the specified value?
| 5 ohms
|
Go to Step 6
|
Go to Step
7
|
6
|
- Check the ignition switch for poor terminal contact at connectors
C1 and C2.
- If OK, replace the ignition switch. Refer to
Ignition and Start Switch Replacement
.
Is replacement complete?
| --
| Go to
Audible Warnings System Check
| --
|
7
| Using a DMM, check the resistance from the ignition switch
connector C1 terminal E to ground.
Is the resistance more than the specified value?
| 5 ohms
|
Go to Step 8
|
Go to Step 9
|
8
| Repair open in ground CKT 451 (BLK/WHT).
Is circuit repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
9
| Repair open in CKT 80 (LT GRN).
Is circuit repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
10
|
- Check the IPM connector C1 for poor terminal contact.
- If OK, replace the IPM. Refer to
Body Control Module Replacement
.
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
