Diagnosis Procedure
- CHECK SELF-DIAGNOSTIC RESULT OF BCM
With CONSULT
Check "Self Diagnostic Result" of "BCM" using CONSULT.
Is any DTC detected?
YES
Perform trouble diagnosis for detected DTC. Refer to DTC INDEX .
NO
GO TO STEP 2 .
- CHECK HARNESS CONTINUITY BETWEEN BOSE AMP. AND BCM
- Turn ignition switch OFF.
- Disconnect BOSE amp. and BCM harness connector.
- Check the continuity between BOSE amp. harness connector and BCM harness connector.
BOSE amp. BCM Continuity Connector Terminal Connector Terminal B55 76 M13 21 Existed
Is inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace malfunctioning parts.
- CHECK HARNESS CONTINUITY BETWEEN BOSE AMP. AND GROUND
Check the continuity between BOSE amp. harness connector and ground.
BOSE amp. Ground Continuity Connector Terminal B55 76 Not existed Is inspection result normal?
YES
GO TO STEP 4 .
NO
Repair or replace malfunctioning parts.
- CHECK VOLTAGE BETWEEN BOSE AMP. AND GROUND
Check the voltage between BOSE amp. harness connector and ground.
Terminals Voltage
(Approx.)(+) (-) BOSE amp. Connector Terminal B55 76 Ground 0 V Is inspection result normal?
YES
Replace BOSE amp. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace malfunctioning parts.