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Visual Inspection - Suzuki SX4 Service Manual

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DTC No.
Detecting item
P/S motor circuit
C1141
voltage
P/S motor circuit range/
C1142
performance
P/S motor circuit
C1143
current too high
P/S Motor Circuit
C1145
Current Too Low
P/S control module
C1153
power supply circuit
P/S control module
C1155
internal failure

Visual Inspection

Visually check the following parts and systems.
Inspection Item
Battery
Level, leakage, color
Connectors of
Disconnection friction
electric wire harness
Fuses
Burning
Parts
Installation, damage
Other parts that can be checked visually
Detecting condition
(DTC will set when detecting)
Voltage between both motor
drive circuit is more than 8.5 V or
less than 0.2 V for 0.5 second
continuously while motor is not
driven.
Measured motor drive current is
more than 10 A as compared
with target motor drive current.
Measured motor drive current is
more than 65 A.
Measured motor drive current is
less than 2 A continuously for
more than 3 seconds even
though target motor drive current
is more than 4 A.
or
Measured motor drive current is
less than 0.8 A for total 1 second
even though motor control duty is
more than 90% when target
motor drive current is less than 8
A.
Power supply voltage of P/S
control module is less than 9 V
for 5 seconds continuously while
engine speed is more than 600
rpm
Internal memory (EEPROM) is
data error.
Internal circuit is faulty.
or
Power supply voltage of P/S
control module exceeded 17.5 V
Power Assisted Steering System:
Trouble area
• P/S motor circuit
• P/S motor
• Torque sensor
• P/S control module
• P/S control module
power supply circuit
• Undercharged Battery
• Generator
• P/S control module
• P/S control module
• Generator
• P/S control module
Referring section
"Battery Description in Section 1J"
"Intermittent and Poor Connection Inspection in
Section 00"
"Cautions in Body Electrical System Servicing in
Section 9A"
6C-11
"EPS"
DTC
warning
light
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
1 driving
1 driving
cycle
cycle
1 driving
Does not
cycle
light up
1 driving
1 driving
cycle
cycle
S7RW0A6304006

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