Description

DTC Logic

Diagnosis Procedure
1.CHECK SATELLITE RADIO TUNER POWER SUPPLY AND GROUND CIRCUIT
Check satellite radio tuner power supply and ground circuit.
2.CHECK CONTINUITY COMMUNICATION CIRCUIT AND REQUEST SIGNAL CIRCUIT




3.CHECK AV CONTROL UNIT VOLTAGE


4.CHECK SATELLITE RADIO TUNER


U1263 USB
U1300 AV comm circuitPeriodic maintenance
REAR SUSPENSION ASSEMBLY
On-vehicle Service
Check the suspension parts for excessive play, cracks, wear or damage.
Shake each rear wheel to check for excessive play.
Retighten all nuts and bolts to the specified torque.
Make sure that the cotter pin is installed.
Check the rear sho ...
AMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the AV
control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
Turn audio system ON.
Check v ...
B2557 vehicle speed
Description
BCM receives the 2 vehicle speed signals via CAN
communication. One signal is transmitted by the "combination
meter". Another signal is transmitted by "ABS actuator and electric unit
(control unit)". BCM compares
both signals to detect the vehicle speed.
DTC Logic
DTC DETECTIO ...