Steering Switch Check (With Bluetooth)
- CHECK HARNESS
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit connector B15 and spiral cable connector M30.
- Check continuity between Bluetooth control unit connector B15 (A) terminals 12, 13, and 14 and spiral cable connector M30 (B) terminals 25, 31, and 33.
Terminals Continuity A B Connector Terminal Connector Terminal B15 12 M30 33 Yes 13 31 14 25 - Check continuity between Bluetooth control unit and ground.
Terminals Continuity (+) (-) Connector Terminal B15 12 Ground No 13 14 OK or NG
OK: GO TO 2.
NG: Repair harness.
- CHECK HARNESS
- Disconnect audio unit connector M43 (mid system) or AV control unit M92 (premium system).
- Check continuity between audio unit connector M43 (mid system) or AV control unit M92 (premium system) (A) terminals 6, 15, and 16 and Bluetooth control unit connector B15 (B) terminals 17, 19, and 18.
Terminals Continuity (A) (B) Connector Terminal Connector Terminal M43 (mid system) M92 (premium system) 6 B15 17 Yes 15 19 16 18 OK or NG
OK: GO TO 3.
NG: Repair harness.
- SPIRAL CABLE CHECK
- Disconnect spiral cable connector M78.
- Check continuity between spiral cable terminals.
15 - 33: Continuity should exist .
17 - 31: Continuity should exist .
19 - 25: Continuity should exist .
OK or NG
OK: GO TO 4.
NG: Replace spiral cable. Refer to , "REMOVAL AND INSTALLATION ".
- CHECK STEERING SWITCH RESISTANCE
Check resistance between spiral cable connector M78 terminals.
Terminal Signal name Condition Resistance (Ω) (Approx.) 17 19 Seek (down) Depress "DOWN TRIANGLE" switch. 165 Mode/End Depress MODE switch. 0 Volume (down) Depress volume down switch. 652 15 19 Seek (up) Depress Δ switch. 165 Phone/Send Depress "PHONE/SEND" switch. 0 Volume (up) Depress volume up switch. 652 OK or NG
OK: Inspection End.
NG: Replace steering switch. Refer to , "REMOVAL AND INSTALLATION ".