| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM10000000155SK |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [06/2017 - 10/2020] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): C1428; Motor Circuit Malfunction; 2018 - 2020 MY Camry [06/2017 - 10/2020] | ||
|
DTC |
C1428 |
Motor Circuit Malfunction |
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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![2018 - 2020 MY Camry [06/2017 - 10/2020]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (w/ Electric Parking Brake System): C146C; Open in ABS Motor Relay Circuit](/t3Portal/stylegraphics/info.gif)
CAUTION / NOTICE / HINT
NOTICE:
-
When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration.
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- Inspect the fuses for circuits related to this system before performing the following procedure.
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. OK: The connector is securely connected. |
|
(b) Disconnect the A34 skid control ECU (brake actuator assembly) connector.
(c) Check both the connector case and the terminals for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A34-1 (+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 A34 skid control ECU (brake actuator assembly) connector.
(b) Clear the DTCs.
Chassis > ABS/VSC/TRAC/EPB > Clear DTCs
(c) Turn the engine switch off.
(d) Start the engine.
(e) Perform a road test.
(f) Check if the same DTC is output.
Chassis > ABS/VSC/TRAC/EPB > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
C1428 is not output |
A |
|
C1428 is output |
B |
| A |
|
USE SIMULATION METHOD TO CHECK
|
| B |
|
|
|