STEERING SWITCH SIGNAL A CIRCUIT
BOSE AUDIO WITH NAVIGATION
Description
Transmits the steering switch A signal to AV control unit.
Diagnosis Procedure
Component Inspection
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard
| Between terminals 14 – 17 | |
| START / STOP switch ON | : 1982 – 2063 Ω |
| : 708 – 737 Ω | |
| SEEK DOWN switch ON | : 314 – 327 Ω |
| SEEK UP switch ON | : 118 – 123 Ω |
| SOURCE switch ON | : 1 Ω or less |
| Between terminals 15 – 17 | |
| MRK switch ON | : 708 – 737 Ω |
| : 314 – 327 Ω | |
| VOL UP switch ON | : 118 – 123 Ω |
| VOL DOWN switch ON | : 1 Ω or less |
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT