DEFINITION: The BCM does not sound the turn signal reminder when the turn signal switch is ON (left or right turn signal position) and the vehicle has traveled 1.2 km (3/4 mile).

Was the Audible Warning System Check performed?

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Go to Step 2

Go to Audible Warnings System Check

Was the BCM Diagnostic System Check performed?

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Go to Step  3

Go to Diagnostic System Check - Body Control System in Body Control System

1. Turn the ignition switch to the RUN position.
2. Move the turn signal switch to the left turn signal position and, then, to the right turn position while observing the turns signal lights.

Do the turn lamps turn ON and OFF when the turn signal switch is in either the left or the right turn position?

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Go to Step 4

Go to Step 8

Test drive the vehicle.

Does the speedometer operate?

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Go to Step  5

Go to Step  9

1. Turn the ignition switch to the RUN position.
2. Move the turn signal switch to the left turn position.
3. Use a test light in order to probe between the BCM connector C2 terminal C14 and ground.

Does the test light flash along with the left turn lamps?

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Go to Step  6

Go to Step  10

1. Move the turn signal switch to the right turn position.
2. Use a test light in order to probe between the BCM connector C2 and terminal C12 and ground.

Does the test light flash along with the right turn lamps?

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Go to Step  7

Go to Step 11

Use a DMM in order to measure the voltage between the BCM connector C2 terminal C15 and ground.

Is the voltage within the specified range?

5 Volts

Go to Step 12

Go to Step  13

The turn signal is inoperative due to a malfunction of the turn lamps. Refer to Exterior Lights System Check in Lighting Systems.

Is the repair complete?

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Go to Step 14

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The turn signal reminder is inoperative due to a malfunction of the Vehicle Speed Sensor (VSS) circuit. Refer to Powertrain On Board Diagnostic (OBD) System Check (3.1) in Engine Controls or Powertrain On Board Diagnostic (OBD) System Check (3.8) in Engine Controls.

Is the repair complete?

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Go to Step 14

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Repair the poor connection or the open in circuit 14.

Is the repair complete?

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Go to Step 14

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Repair the poor connection or the open in circuit 15.

Is the repair complete?

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Go to Step 14

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1. Inspect the BCM connector C2 terminal C15 for a poor connection.
2. Replace the BCM if the connection is OK. Refer to Body Control Module Replacement in Body Control System.

Is the repair complete?

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Go to Step 14

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Repair the poor connection or the open in circuit 389.

Is the repair complete?

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Go to Step 14

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1. Turn the ignition switch to the OFF position.
2. Install any connectors or components that were removed.
3. Turn the ignition switch to the RUN position for 6 seconds.
4. Turn the ignition switch to the OFF position.
5. Remove the MALL PGM fuse.
6. Turn the ignition switch to the ACC position.

The BCM sounds the chime a number of times equivalent to the BCM type that is installed on the vehicle.

7. Within 1 second, turn the ignition switch from the ACC position to the OFF position, and then back to the ACC position. The BCM sounds any stored DTC's.

Do any BCM DTC's exist?

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Go to Diagnostic System Check - Body Control System in Body Control System

Go to Audible Warnings System Check