DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) receives a sensor supply voltage malfunction signal from the yaw rate and acceleration sensor (airbag sensor assembly).
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1381 |
Acceleration Sensor Power Supply Voltage Malfunction |
Vehicle speed is 6 km/h (4 mph) or higher and yaw rate and acceleration sensor power supply malfunction signal is received for 1.1 seconds or more. |
|
WIRING DIAGRAM
Refer to DTCs C1234, C1472 and C1474.
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CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Make sure that there is no looseness at the locking part and the connecting part of the connector. |
|
(b) Disconnect the F70 yaw rate and acceleration sensor (airbag sensor assembly) connector.
(c) Turn the ignition switch to ON.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F70-21 (IG2) - Body ground |
Ignition switch ON |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
|
2. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Turn the ignition switch off. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F70-25 (E1) - Body ground |
Always |
Below 1 Ω |
F70-26 (E2) - Body ground |
Always |
Below 1 Ω |
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.
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OK | ![]() |
REPLACE AIRBAG SENSOR ASSEMBLY
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |
Toyota CH-R Service Manual > Front Brake Flexible Hose: Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE
1. REMOVE FRONT WHEEL
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2. DRAIN BRAKE FLUID
NOTICE:
If brake fluid leaks onto any painted surface, immediately wa ...
Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Terminals Of Ecu
TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
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CHECK HEADLIGHT ECU SUB-ASSEMBLY LH
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CHECK HEADLIGHT ECU SUB-ASSEMBLY RH
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...