Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Audible Warnings System Check before processing?
| --
| Go to
Step 2
| Go to
Audible Warnings System Check
|
2
|
- Turn the ignition switch to RUN.
- Enter the body control module (MALL) diagnostic mode by completing
the following procedure:
| 2.1. | Press the power unlock switch. Hold the power unlock switch. |
| 2.2. | Cycle the headlights 6 times. |
| 2.3. | Release the power unlock switch. |
- The MALL module may sound a few tones upon entering the diagnostic
mode. The tones are the history diagnostic trouble codes (DTCs) stored in
the MALL module. Refer to Body Control System for a list of these DTCs.
- After the history DTC tones, the MALL goes into input/output mode.
- Turn on the turn signals.
Does the chime sound when the turn signal is on?
| --
| Go to
Step 4
| Go to
Step 3
|
3
|
- Disconnect the MALL module connector C2.
- Measure the voltage from connector C2 terminal C12
(harness side) to ground.
Is the measured resistance more than the specified value when you turn
on the turn signal?
| 5 V
| Go to
Step 8
| Go to
Step 6
|
4
| Inspect CKT 817 (DK GRN/WHT) for an open.
Is the circuit OK?
| --
| Go to
Step 5
| Go to
Step 7
|
5
| Perform the vehicle speed input test.
Is the test complete?
| --
| Go to
Audible Warnings System Check
| --
|
6
| Inspect CKT 16 (PPL) for an open.
Is the circuit OK?
| --
| Go to Exterior Lights for Diagnosis
| Go to
Step 7
|
7
| Repair the open in CKT 16 (PPL).
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
8
| Inspect the MALL module connector C2 for proper
terminal contact.
Is the contact OK?
| --
| Go to
Step 9
| --
|
9
| Replace the MALL module.
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|