GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Eighty Eight 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Fasten Safety Belt Chime Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warnings System Check?

--

Go to Step 2

Go to Audible Warnings System Check

2
  1. Unbuckle the left front safety belt.
  2. Turn the ignition to the ON position.

Do both of the following actions occur?

    • The fasten belts indicator turns ON for approximately 70 seconds.
    • The chime sounds for approximately 6 seconds.

--

Go to Step 4

Go to Step 3

3
  1. Leave the left front safety belt unbuckled.
  2. Leave the ignition in the ON position.

Does only the chime sound?

--

Go to Fasten Safety Belt Indicator/Chime Inoperative

Go to Step 5

4
  1. Turn the ignition switch to the OFF position.
  2. Buckle the left front safety belt.
  3. Turn the ignition to the ON position.

Do both of the following actions occur?

    • The fasten belts indicator turns ON.
    • The chime sounds.

--

Go to Step 8

Go to Audible Warnings System Check

5
  1. Leave the left front safety belt unbuckled.
  2. Leave the ignition in the ON position.

Does only the indicator turn ON?

--

Go to Step 6

Go to Step 7

6

Inspect the body control module (MALL) connector C2 for proper contact.

Is the contact OK?

--

Go to Step 9

Go to Step 15

7
  1. Disconnect the MALL module connector C2.
  2. Measure the resistance from connector C2 terminal D1 (harness side) to ground.

Does the resistance measure less than the specified value?

5

Go to Step 9

Go to Step 10

8
  1. Disconnect the MALL module connector C2.
  2. Measure the resistance from connector C2 terminal D1 (harness side) to ground.

Does the resistance measure less than the specified value?

5

Go to Step 11

Go to Step 9

9

Replace the MALL module.

Did you complete the repair?

--

Go to Audible Warnings System Check

--

10

Inspect the following circuits for an open:

  1. CKT 238 (BLK/WHT).
  2. CKT 1250 (BLK) at the seatbelt switch.

Is the wiring OK?

--

Go to Step 12

Go to Step 14

11

Inspect CKT 238 (BLK/WHT) for a short to ground.

Is the wiring OK?

--

Go to Step 12

Go to Step 14

12

Inspect the safety belt switch for correct operation. Terminal A and terminal B should maintain continuity with the belt unbuckled.

Does the switch operate properly?

--

Go to Audible Warnings System Check

--

13

Repair the open.

Did you complete the repair?

--

Go to Audible Warnings System Check

--

14

Repair the short to ground on CKT 238 (BLK/WHT).

Did you complete the repair?

--

Go to Audible Warnings System Check

--

15

Repair the poor terminal contact.

Did you complete the repair?

--

Go to Audible Warnings System Check

--