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 |
Switching the display
Press .
Each time is pressed, the
display changes in the following order:
Track title → Track title/Artist name → Track title/Album name → Track
title/Elapsed time
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE FRONT WHEEL
2. DISCONNECT FRONT DISC BRAKE CYLINDER ASSEMBLY LH
3. REMOVE FRONT DISC
4. REMOVE FRONT AXLE HUB GREASE CAP
5. INSPECT FRONT AXLE HUB BEARING LOOSENESS
(a) Using a dial indicator ...