For 1990-2009 cars

### Diagnostic Instructions

• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• | Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• | Diagnostic Procedure Instructions provides an overview of each diagnostic category.

### Diagnostic Fault Information

Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance
--- | --- | --- | --- | ---
Clock B+ | 1 | 1 | -- | --
Clock Ground | -- | 1 | -- | --
1. Clock Malfunction

### Circuit/System Description

The instrument panel is equipped with an analog clock. The analog clock utilizes the clock B+ circuit and the clock ground circuit to operate.

### Reference Information

#### Schematic Reference

Driver Information System Schematics

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Instrument Cluster Description and Operation

#### Electrical Information Reference

• | Circuit Testing

• | Connector Repairs

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

#### Scan Tool Reference

Control Module References for scan tool information

### Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the clock.
2. Ignition OFF, test for less than 5 ohms between the ground circuit terminal 2 and ground.

⇒ | If greater than the specified value, test the ground circuit for an open/high resistance.

3. Verify that a test lamp illuminates between the B+ circuit terminal 1 and the ground circuit terminal 2.

⇒ | If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.

4. If all circuits test normal, test or replace the clock.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Clock Replacement