Toyota Tacoma 2015-2018 Service Manual: Center Differential Lock Position Switch (C1282)
DESCRIPTION
DTC C1282 is stored only in test mode.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1282 |
Stored during test mode. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform calibration
(See page .gif)
).
PROCEDURE
|
1. |
INSPECT SKID CONTROL ECU (EXI4) |
(a) Disconnect the S1 skid control ECU (master cylinder solenoid) connector.
|
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
| NG | .gif) |
GO TO STEP 3 |
|
.gif)
|
2. |
CHECK TEST MODE DTC |
(a) Switch the vehicle to test mode, perform the 4WD detection switch signal
check, and then check that DTC C1282 is cleared (See page
).
|
Result |
Proceed to |
|---|---|
|
DTC is not cleared |
A |
|
DTC is cleared |
B |
| A | |
REPLACE MASTER CYLINDER SOLENOID |
| B | |
USE SIMULATION METHOD TO CHECK |
|
3. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - 4 WHEEL DRIVE CONTROL ECU AND A.D.D. POSITION SWITCH) |
(a) Disconnect the S1 skid control ECU (master cylinder solenoid) connector.
(b) Disconnect the F13 4 wheel drive control ECU connector.
(c) Disconnect the A3 A.D.D. position switch (differential vacuum actuator assembly) connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
S1-29 (EXI4) - F13-2 (ADD) |
Always |
Below 1 Ω |
|
S1-29 (EXI4) - A3-3 (ADD) |
Always |
Below 1 Ω |
|
S1-29 (EXI4) - Body ground |
Always |
10 kΩ or higher |
| OK | |
GO TO TRANSFER SYSTEM (PROBLEM SYMPTOMS TABLE) |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
ECM Communication Circuit Malfunction (C1203)
DESCRIPTION
The circuit sends TRAC, A-TRAC and VSC control information from the skid control
ECU (master cylinder solenoid) to the ECM, and engine control information from the
ECM to the skid con ...
Steering Angle Sensor Zero Point Malfunction (C1290)
DESCRIPTION
The skid control ECU (master cylinder solenoid) acquires steering angle sensor
zero point every time the ignition switch is turned to ON and the vehicle is driven
at 35 km/h (22 mph) ...
Other materials:
Brake Switch "A" Signal Compare Failure (P057162)
DESCRIPTION
When the brake pedal is depressed, stop light switch assembly sends a signal
to the ECM. Upon receiving the signal, the ECM cancels the cruise control system.
DTC Code
DTC Detection Condition
Trouble Area
MIL
Note
...
AUTO LSD Indicator Light does not Come ON
DESCRIPTION
The AUTO LSD does not operate even if the VSC OFF switch is pressed under the
following conditions:
The brake system is faulty.
The temperature inside the hydraulic brake booster increases and the
AUTO LSD operation is suspended.
WIRING DIAGRAM
CAUTION / NOTI ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...