Toyota 4Runner: Motor LH Over Temperature (64,65)
DESCRIPTION
When the side auto step controller ECU assembly detects the overheating in the system, it stops the operation of the automatic running board.
|
DTC No. |
Detection Condition |
Trouble Area |
|---|---|---|
|
64 |
The side auto step motor assembly LH high temperature sensor circuit in the side auto step ECU functions. |
|
|
65 |
The side auto step motor assembly RH high temperature sensor circuit in the side auto step ECU functions. |
PROCEDURE
|
1. |
PERFORM COOL DOWN |
(a) Do not operate the automatic running board in order to cool down the side auto step controller ECU assembly and side auto step motor assembly.
|
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|
2. |
CHECK DTC |
(a) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
| OK | .gif) |
END |
| NG | |
REPLACE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
DTC Code
Detection Item
See page
11
Short in Motor LH
12
Short in M ...
Motor LH Current Senser (62,63)
DESCRIPTION
When the side auto step motor current detection sensor inside the side auto step
controller ECU assembly detects a current of less than 1 A when the automatic running
board is operati ...
Other materials about Toyota 4Runner:
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the transponder key ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
...
Terminals Of Ecu
TERMINALS OF ECU
1. REAR TELEVISION CAMERA ASSEMBLY
(a) Disconnect the Y2 rear television camera assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol)
Wiring Color
...
0.0262