Diagnosis Procedure
1.Check harness continuity (open circuit)

Is the inspection result normal? Yes (present error)>>check can system type decision again.
Yes (past error)>>error was detected in the main line between the data link connector and the a/c auto amp.
No >> repair the main line between the data link connector and the a/c auto amp.
Main line between ipdm-e and dlc circuit
Ecm branch line circuitComponent parts
Moonroof
Moonroof : component parts location
Bcm
(view under instrument panel, left side of
vehicle)
Moonroof switch
Moonroof motor assembly (view with
headliner removed)
Front door lock assembly lh (key cylinder
switch)
Front door switch lh (rh
similar)
Combination met ...
C1729 Vehicle speed signal
DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Registe ...
Battery saver output/power supply circuit
Description
Provides the battery saver output/power supply. Also cuts the power supply
when the interior lamp battery
saver is activated.
Component function check
1.Check battery saver output/power supply function
Consult
Turn ignition switch on.
Turn each interior lamp to the ON posit ...