B1403

B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
- With the radio on.
- Set Condition:
- When the output circuit is open for more than three seconds. The radio will not set the fault if the radio confirms an amplifier is on the BUS.





Diagnostic Test

1. INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, clear all Radio DTC's.
Turn the Radio on.
With the scan tool, read the DTC information.
Does the scan tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

- Go to 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

2. (X201) LEFT FRONT SPEAKERS (+) CIRCUIT OPEN




Turn the ignition off.
Disconnect the Radio harness connector.
Disconnect the Front Left Audio Speaker harness connector.
Measure the resistance of the (X201) Left Front Speakers (+) circuit between the Radio and the Speaker.
Is the resistance below 5.0 ohms for each circuit?

Yes

- Go to 3

No

- Repair the (X201) Left Front Speakers (+) circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

3. (X291) LEFT FRONT SPEAKERS (-) CIRCUIT OPEN




Measure the resistance of the (X291) Left Front Speakers (-) circuit between the Radio and the Speaker.
Is the resistance below 5.0 ohms for each circuit?

Yes

- Go to 4

No

- Repair the (X291) Left Front Speakers (-) circuit for an open condition.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

4. SPEAKER
Connect the Radio harness connector.
With the Front Left Audio Speaker still disconnected, turn the ignition on.
Turn the Radio on.
With the scan tool, clear all Radio DTC's.
With the scan tool, read the DTC information.
Does the scan tool read: B1403-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

- Replace the Front Left Audio Speaker.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Test Complete.