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Horn System: Other Chevrolet Spark M300

Horns 2 illustrations ~365 words

Reference Information

Schematic Reference

Horn Schematics

Connector End View Reference

COMPONENT CONNECTOR END VIEWS -- INDEX

Description and Operation

Horns System Description and Operation

Electrical Information Reference

  1. «Circuit Testing»(ref-544474-S28522670622013042400000)
  2. «Connector Repairs»(ref-544474-S01694319662013042400000)
  3. «Testing for Intermittent Conditions and Poor Connections»(ref-544474-S10250380742013042400000)
  4. «Wiring Repairs»(ref-544474-S21510154002013042400000)

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

  1. Ignition ON.
  2. Verify the operation of the P12 Horn when commanding the Horn Relay On and Off with a scan tool. If the P12 Horn is always ON or always OFF Refer to Circuit/System Testing below. If the P12 Horn turns ON and OFF
  3. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

  1. «Fuse Block Replacement»(ref-544488-S16381950902013042400000)
  2. «Control Module References»(ref-544475-S18239609172013042400000) for Body Control Module replacement, programming and setup

Symptoms - Horns

IMPORTANTThe following steps must be completed before using the symptom tables: Perform Diagnostic System Check - Vehicle , before using the symptom tables in order to verify that all of the following are true: There are no DTCs set The control modules can communicate via the serial data link Review the system operation in order to familiarize yourself with the system functions. Refer to Horns System Description and Operation .

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Schematic Reference

Horn Schematics

Connector End View Reference

COMPONENT CONNECTOR END VIEWS -- INDEX

Description and Operation

Horns System Description and Operation

Electrical Information Reference

  1. «Circuit Testing»(ref-544474-S28522670622013042400000)
  2. «Connector Repairs»(ref-544474-S01694319662013042400000)
  3. «Testing for Intermittent Conditions and Poor Connections»(ref-544474-S10250380742013042400000)
  4. «Wiring Repairs»(ref-544474-S21510154002013042400000)

Scan Tool Reference

Control Module References for scan tool information

  1. Ignition ON.
  2. Verify the scan tool Horn Switch parameter changes between Active and Inactive when pressing and releasing the horn pad. If the parameter does not change Refer to Circuit/System Testing below - Horn Switch Malfunction. If the parameter changes
  3. Verify the P12 Horn turns ON and OFF and emit a clear and even tone when commanding the Horn Relay On and Off with a scan tool. If the P12 Horn does not turn ON and OFF Refer to Circuit/System Testing below - Horns or Horn Command Malfunction. If the sound emitted is not clear and even Refer to Circuit/System Testing below - Horn - Poor Tone. If the P12 Horn turns ON and OFF and emit a even and clear tone
  4. All OK.

Perform the Diagnostic Repair Verification after completing the repair.

  1. «Fuse Block Replacement»(ref-544488-S16381950902013042400000)
  2. «Horn Replacement»(ref-544479-S35779527142013042400000)
  3. «Steering Wheel Horn Contact Replacement»(ref-544479-S09363571182013042400000)
  4. «Control Module References»(ref-544475-S18239609172013042400000) for body control module replacement, programming and setup

Scheme 2

Scheme 2: Horn Replacement
Scheme 2: Horn Replacement
CalloutComponent Name
Preliminary Procedure Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation . Remove the front wheel house liner. Refer to Front Wheelhouse Liner Replacement . Remove the air cleaner resonator assembly. Refer to Air Cleaner Resonator Replacement .
1Horn Bolt (Qty: 1) CAUTION: Refer to Fastener Caution . Tighten 21 N.m (16 lb ft)
2Horn TIP: Disconnect electrical connectors.
CAUTION
Refer to Fastener Caution .

Horn Replacement

Scheme 3

Scheme 3: Steering Wheel Horn Contact Replacement
Scheme 3: Steering Wheel Horn Contact Replacement
CalloutComponent Name
Preliminary Procedure Remove inflatable restraint steering wheel module. Refer to Airbag Steering Wheel Module Replacement .
1Steering Wheel Horn Contact Bolt (Qty: 4) CAUTION: Refer to Fastener Caution . Tighten 5.5 N.m (49 lb in)
2Steering Wheel Horn Contact TIP: Disconnect the electrical connector.
CAUTION
Refer to Fastener Caution .

Steering Wheel Horn Contact Replacement

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