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:
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE UPPER RADIATOR SUPPORT SEAL
2. REMOVE FRONT FENDER MAIN SEAL LH
3. REMO ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a DTC is stored, the skid control ECU stores the current vehicle
(sensor) state as freeze frame data.
(b) The skid control ECU stores the number of times (maximum: 31) the ignition
switch has been turn ...
0.0097