DESCRIPTION
When there is a short to GND in the side auto step motor hall sensor power circuit, the side auto step controller ECU assembly does not operate the automatic running board.
DTC No. |
Detection Condition |
Trouble Area |
---|---|---|
31 |
The side auto step motor hall sensor voltage is less than 4 V when the automatic running board is in operation. |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP MOTOR POWER SOURCE) |
(a) Disconnect the O25*1 and N23*2 side auto step motor assembly connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage: for LH
for RH
|
|
OK |
REPLACE SIDE AUTO STEP MOTOR ASSEMBLY |
|
2. |
CHECK HARNESS AND CONNECTOR (SIDE AUTO STEP MOTOR - SIDE AUTO STEP CONTROLLER ECU) |
(a) Disconnect the A41 side auto step controller ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A41-14 (SSR+) - Body Ground |
Always |
10 kΩ or higher |
A41-14 (SSR+) - A41-5 (SSR-) |
Always |
10 kΩ or higher |
OK |
REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ign ...
Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor description
Description of what the ECM monitors and how it detects malfunctions
(monitoring purpose and its details).
Related DTCs
G ...