Description

DTC Logic

U1300 AV comm circuit
Power supply and ground circuitAir Cleaner And Air Duct
Removal and Installation
Air duct hose and resonator assembly
Front air duct
Air cleaner case (lower)
Grommets
Air cleaner case mounting bracket
Bracket
Air cleaner filter
Air cleaner case (upper)
Mass air flow sensor
To electric throttle control
actuator
...
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 ...
Main line between DLC and HVAC circuit
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity between the data link connector and the A/C ...