DTC C1061: Pump Motor Circuit
Wiring Diagram
[A]: ABS control module connector (viewed from terminal side)
1. Battery
2. Main fuse box
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
• Defective pump motor and/or motor power supply
voltage is too low.
• Pump motor circuit in ABS control module is opened,
shorted to power or ground circuit.
DTC Troubleshooting
Step
1
Was "ABS Check" performed?
2
Check ABS hydraulic unit / control module assembly
power and ground circuit
1) Check that ABS hydraulic unit / control module assembly
power supply circuit and ground circuit is in good
condition referring to "ABS Hydraulic Unit / Control
Module Assembly Power and Ground Circuit Check".
Are check results OK?
E08-25
WHT/RED
2
3
1
E08-26
BLK
Action
5
12V
4
M
3. Pump motor driver (transistor)
4. ABS pump motor
5. ABS hydraulic unit / control module assembly
• Pump Motor and/or Motor Driver power supply circuit
• ABS control module
Yes
Go to Step 2.
Substitute a known-
good ABS hydraulic unit
/ control module
assembly and recheck.
ABS:
S7RW0A4504019
[A]
E08
1
12
2
13
3
14
4
15
5
16
6
17
7
18
8
19
9
20
10
21
11
22
23
24
25
26
Trouble Area
No
Go to "ABS Check".
Repair ABS hydraulic
unit / control module
assembly power or
ground circuit.
4E-28
I7RW01450010-02