GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Monte Carlo 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Key-in-Ignition Chime Inoperative

Step

Action

Value(s)

Yes

No

1
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the seat belt/ ignition key/ lamps alarm.
  3. Ensure the key is in the ignition switch.
  4. Open the Driver's door.
  5. Probe between B+ and seat belt/ ignition key/ lamps alarm connector terminal C1.

Is the test light on?

--

Go to Step 6

Go to Step 2

2

Backprobe between B+ and C201 terminal A9 using a test light.

Is the test light on?

--

Go to Step 3

Go to Step 4

3

Measure the resistance between the seat belt/ ignition key/ lamps alarm harness connector terminal C1 and C201 terminal A8 with the DMM.

Is the resistance within the specified value?

Less than 2 ohms

Go to Step 7

Go to Step 8

4

Measuring the resistance between the following components with the DMM:

    • The ignition key warning switch harness connector terminal A9
    • The LF doorlock harness connector terminal C

Is the resistance within the value specified?

Less than 2 ohms

Go to Step 5

Go to Step 9

5

Measuring the resistance between the following components with the DMM:

    • The LF doorlock harness connector terminal D
    • The ground

Is the resistance within the value specified?

Less than 2 ohms

Go to Step 10

Go to Step 11

6
  1. Inspect the seat belt/ ignition key/ lamps alarm connector terminal C1 for a poor connection.
  2. Replace the seat belt/ ignition key/ lamps alarm connectors as needed. Refer to Multifunction Alarm Module Replacement .

Has the repair been made?

--

Go to Step 12

--

7
  1. Inspect the following connectors for a poor connection:
    2. • The C201 terminal A8
    • The C201 terminal A9
  2. Replace the ignition key warning switch if the connections are OK. Refer to Steering Column Lock Cylinder Set - Disassemble - Off Vehicle .

Has the repair been made?

--

Go to Step 12

--

8

Repair a poor connection or an open in CKT 80.

Has the repair been made?

--

Go to Step 12

--

9

Repair a poor connection or an open in CKT 159.

Has the repair been made?

--

Go to Step 12

--

10
  1. Inspect the LF doorlock switch electrical connector for poor terminal contact.
  2. Replace the LF doorlock switch if the connector is OK. Refer to Front Door Switch Replacement in Doors.

Has the repair been made?

--

Go to Step 12

--

11

Repair a poor connection or an open in CKT 750.

Has the repair been made?

Go to Step 12

--

12
  1. Ensure the ignition switch is in the LOCK position.
  2. Reinstall the removed connectors/components.

Has the repair been made?

--

Go to Audible Warnings System Check

--