DESCRIPTION
When there is a short to GND in the side auto step motor circuit, the side auto step controller ECU assembly does not operate the automatic running board.
DTC No. |
Detection Condition |
Trouble Area |
---|---|---|
21 |
Short to GND in the circuit on the stowing or deploying side of the side auto step motor LH. |
|
23 |
Short to GND in the circuit on the stowing or deploying side of the side auto step motor RH. |
WIRING DIAGRAM
PROCEDURE
1. |
INSPECT SIDE AUTO STEP MOTOR ASSEMBLY |
(a) Disconnect the O25*1 or N23*2 side auto step motor assembly connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance: for LH
for RH
|
|
NG |
REPLACE SIDE AUTO STEP MOTOR ASSEMBLY |
|
2. |
CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP MOTOR - SIDE AUTO STEP CONTROLLER ECU) |
(a) Disconnect the A42 side auto step controller ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for LH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-3 (STW1) - Body ground |
Always |
10 kΩ or higher |
A42-4 (DPL1) - Body ground |
Always |
10 kΩ or higher |
for RH
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-2 (STW2) - Body ground |
Always |
10 kΩ or higher |
A42-1 (DPL1) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE CYLINDER BOOT
(a) Using a screwdriver, remove the cylinder boot from the rear disc
brake cylinder.
HINT:
Tape the screwdriver tip before use.
2. REMOVE REAR DISC ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired system) / DTC.
(e) Read the DTCs.
2. CLEAR DTC
(a) Connect ...