Toyota 4Runner: Zero Point Calibration of Acceleration Sensor Undone (C1879/79)
DESCRIPTION
The stabilizer control ECU receives the yaw rate and acceleration sensor zero point information from the skid control ECU via CAN communication.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1879/79 |
A signal indicating that the yaw rate and acceleration sensor zero point calibration has not been performed is continuously received from the skid control ECU for 5 seconds. |
|
CAUTION / NOTICE / HINT
HINT:
When this DTC is output, obtain the calibration value of the yaw rate and acceleration sensor zero point first.
PROCEDURE
|
1. |
PERFORM ZERO POINT CALIBRATION |
(a) Perform brake control system calibration (See page
.gif)
).
|
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|
2. |
RECONFIRM DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is output |
A |
|
DTC is not output |
B |
| A | .gif) |
REPLACE STABILIZER CONTROL ECU |
| B | |
END |
Acceleration Sensor Circuit Malfunction (C1887/87)
DESCRIPTION
The stabilizer control ECU receives forward, backward and lateral acceleration
information from the yaw rate and acceleration sensor via CAN communication.
DTC Code
...
Stabilizer Control Ecu
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the n ...
Other materials about Toyota 4Runner:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
(a) Remove the main body ECU (See page ).
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Termi ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ign ...
0.0079