Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CHECK USB INTERFACE HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect AV control unit connector M73 and USB interface connector M72.
3. Check continuity between AV control unit connector M73 and USB interface
connector M72.
4. Check continuity between AV control unit connector M73 and ground.
Is the inspection result normal?
YES >> Replace the USB interface. Refer to AV "Removal and Installation".
NO >> Repair or replace harness or connectors.
Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE 1. Turn ignition switch OFF. 2. Disconnect ...
Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK AUX JACK HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect AV control unit c ...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
NATS antenna AMP
Removal and Installation
NOTE:
If NATS antenna amp. is not installed correctly, NVIS (NATS) system
will not operate properly and "SELFDIAG
RESULTS" on CONSULT screen will show "LOCK MODE" or "CHAIN OF IMMU-KEY".
Initialization is not necessary when only th ...