PREPARATION
Special Service Tool
The actual shape of the tools may differ from those illustrated here.

Commercial Service Tools

PrecautionIPDM E/R (intelligent power distribution module engine room)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Fail Safe
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs
fail-safe control. After CAN
communication recovers normally, it also re ...
Climate controlled seat switch indicator
Description
Illuminates the climate controlled seat switch to indicate operating status.
Component Function Check
1.CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR FUNCTION
Check that the indicators for the climate controlled seat switch operate in
both COOL and HEAT modes.
Diagnosis Procedure ...
HVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...