DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) judges that an abnormality occurred in the circuit used to operate the pump motor.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1428 |
Motor Circuit Malfunction |
A malfunction occurs in the pump motor circuit. |
Pump motor circuit |
WIRING DIAGRAM
Refer to DTC C146C.
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CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (+BM TERMINAL) |
(a) Make sure that there is no looseness at the locking part and the connecting part of the connector. |
|
(b) Disconnect the A42 skid control ECU (brake actuator assembly) connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-1 (+BM) - Body ground |
Always |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (+BM CIRCUIT) |
|
2. |
CHECK HARNESS AND CONNECTOR (GND2 TERMINAL) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GND2 CIRCUIT) |
|
3. |
RECONFIRM DTC |
(a) Reconnect the A42 skid control ECU (brake actuator assembly) connector.
(b) Clear the DTCs.
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(c) Turn the ignition switch off.
(d) Start the engine.
(e) Perform a road test.
(f) Check if the same DTC is output.
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Result |
Proceed to |
---|---|
DTC C1428 is not output. |
A |
DTC C1428 is output. |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK
|
B | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Toyota CH-R Service Manual > Door Control Transmitter(w/o Smart Key System): Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Take extra care when handling these precision electronic components.
PROCEDURE
1. REMOVE TRANSMITTER HOUSING COVER
(a) Using a screwdriver with its tip wrapped in protective tape, remove the transmitter
housing cover as shown in the illustration.
...
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CAUTION / NOTICE / HINT
HINT:
Perform this check with the portable player volume set at an appropriate
level.
Make sure that there are no obstructions between the portable player
and radio and display receiver assembly that may block signals, and that
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