GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 1999 🢒 Sintra 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Battery Rundown Protection Inoperative

Step

Action

Value(s)

Yes

No

DEFINITION: The following conditions exist:

    • The interior courtesy lamps stay on with all of the doors closed.
    • The instrument panel (IP) dimmer switch is off.
    • The interior lamps override switch is on (the interior courtesy lights are enabled).
    • None of the interior lighting modes are activated.
    • The inadvertent load (battery rundown) protection does not turn off the interior courtesy lights after 10 minutes. This action normally occurs after 3 minutes on vehicles with less than 24 accumulated km (15 miles).

1

Was the Body Control Module (BCM) Diagnostic System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Body Control System

2
  1. Disconnect the body control module (BCM) connector C1.
  2. Use a DMM in order to measure the voltage between the BCM harness connector C1 terminal E and ground.

Is the voltage within the specified range?

Less than 2 V

Go to Step  3

Go to Step  5

3
  1. Turn off all of the roof rail reading lamps.
  2. Close the sunshade mirror covers.
  3. Use a DMM in order to measure the resistance between the BCM harness connector C1 terminal F and ground.

Is the resistance within the specified range?

Infinite

Go to Step  4

Go to Step  6

4
  1. Reconnect the BCM connector C1.
  2. Turn the ignition switch from LOCK to RUN, then back to LOCK.
  3. Turn the IP dimmer switch to the DOME position for 10 minutes.

Did the interior courtesy lamps turn off after 10 minutes (or after 3 minutes on vehicles with less than 24 accumulated km)?

--

Go to Diagnostic System Check - Body Control System

Go to Step  7

5

Repair a short to voltage in CKT 328 or CKT 1393, as needed.

Did you complete the repair?

--

Go to Step  3

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6

Repair a short to ground in CKT 690.

Did you complete the repair?

--

Go to Diagnostic System Check - Body Control System

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7

Replace the BCM. Refer to Body Control Module Replacement

Did you complete the repair?

--

Go to Diagnostic System Check - Body Control System

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