Suzuki 2006 SX4, Service Manual

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Power Assisted Steering System: 6C-11
Visual Inspection
S6RW0C6304006
Visually check the following parts and systems.
)
C1141
P/S motor circuit
voltage
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
drived.
• P/S motor circuit
• P/S motor
• Torque sensor
• P/S control module
1 driving
cycle
1 driving
cycle
)
C1142
P/S motor circuit range/
performance
Measured motor drive current is
more than 10 A as compared with
target motor drive current.
1 driving
cycle
1 driving
cycle
)
C1143
P/S motor circuit
current too high Measured motor drive current is
more than 65 A. 1 driving
cycle
1 driving
cycle
)
C1145
P/S Motor Circuit
Current Too Low
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.
1 driving
cycle
1 driving
cycle
)
C1153
P/S control module
power supply circuit
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
• P/S control module
power supply circuit
• Undercharged Battery
• Generator
• P/S control module
1 driving
cycle
1 driving
cycle
)
C1155
P/S control module
internal failure
Internal memory (EEPROM) is
data error.
• P/S control module
1 driving
cycle
Does not
light up
Internal circuit is faulty.
or
Power supply voltage of P/S
control module exceeded 17.5 V
• Generator
• P/S control module
1 driving
cycle
1 driving
cycle
Inspection Item Referring section
Battery Level, leakage, color “Battery Description in Section 1J”
Connectors of
electric wire harness
Disconnection friction
“Intermittent and Poor Connection Inspection in
Section 00”
Fuses Burning
“Cautions in Body Electrical System Servicing in
Section 9A”
Parts Installation, damage
Other parts that can be checked visually
DTC
No.
Detecting item
Detecting condition
(DTC will set when detecting)
Trouble area DTC
“EPS”
warning
light