DESCRIPTION
The side auto step controller ECU assembly receives the door open/closed signal from each door courtesy light switch via the side auto step switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
Inspection should be performed on the door courtesy switch circuit on the side where the automatic running board is malfunctioning.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP SWITCH - SIDE AUTO STEP CONTROLLER ECU) |
(a) Disconnect the F90 side auto step switch assembly connector.
(b) Disconnect the A42 side auto step controller ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):
for LH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F90-4 (ECU1) - A42-14 (CTY1) |
Always |
Below 1 Ω |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F90-6 (ECU2) - A42-13 (CTY2) |
Always |
Below 1 Ω |
Standard Resistance (Check for Short):
for LH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-14 (CTY1) - Body ground |
Always |
10 kΩ or higher |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-13 (CTY2) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Sliding Roof Control Switch Circuit
DESCRIPTION
The sliding roof drive gear sub-assembly (sliding roof ECU) receives sliding
roof switch signals and drives its built-in motor.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When the sliding roof drive gear sub-assembly (sliding roof ECU) ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" below.
Power Window Control System
DTC Code
...