Dtc C1057 (Dtc 57) - Power Source Circuit - Suzuki Jimny Service Manual

DTC C1057 (DTC 57) – Power Source Circuit
1. Ignition switch 3. ABS hydraulic unit / control module assembly
2. Main fuse 4. Circuit fuse
DESCRIPTION
The ABS control module monitors the power source voltage at terminal "A18". When the power source voltage
becomes extremely low, this DTC will be set. As soon as the voltage rises to the specified level, the set DTC will
be cleared.
INSPECTION
Step
1 Check battery voltage. Is it about 11 V or
higher?
2 Check ABS main fuse, circuit fuse and connec-
tion. Is it in good condition?
3 1) Ignition switch OFF.
2) Disconnect ABS hydraulic unit / control
module connector.
3) Check proper connection to ABS hydraulic
unit / control module connector at terminal
"A18".
4) If OK, then measure voltage between con-
nector terminal "A18" and body ground.
Is it 10 – 14 V?
Action
ANTILOCK BRAKE SYSTEM (ABS) 5E-25
5. ABS hydraulic unit / control module connector
Yes
Go to step 2.
Go to step 3.
Substitute a known-good
ABS hydraulic unit / con-
trol module assembly and
recheck.
No
Check charging system
referring to "Under-
charged Battery" in Sec-
tion 6H.
Repair and/or replace
fuse.
"B/W" circuit open.