Preparation
General maintenanceIntake door control system
System Diagram
System Description
The intake doors are automatically controlled by the temperature setting,
ambient temperature, in-vehicle temperature,
intake temperature, amount of sunload and ON/OFF operation of the compressor.
SYSTEM OPERATION
The intake door control judges intake doo ...
Precaution
PRECAUTIONS
Precautions for Trouble Diagnosis
CAUTION:
Never apply 7.0 V or more to the measurement terminal.
Use a tester with open terminal voltage of 7.0 V or less.
Turn the ignition switch OFF and disconnect the battery cable from the
negative terminal when checking the harness.
P ...
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...