Engine Electrical Devices: 1C-16
Electric Load Current Sensor On-Vehicle
Inspection (For J20 Engine)
S5JB0A1306031
Using SUZUKI Scan Tool
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check “Battery Current” displayed on scan tool at
following condition.
Battery current
Ignition switch ON: 5.0 – 6.0 A
Run engine at 2000 rpm, headlight ON: 19.0 – 23.0 A
Run engine at 2000 rpm, headlight ON and blower
motor switch is HI position: 37.0 – 42.0 A
If check result is satisfactory, electric load current sensor
is in good condition.
If check result is not satisfactory, check the following
parts and circuit.
• Electric load current sensor circuit (power, ground and
output)
• Following charging system components
– Battery (refer to “Battery Inspection: in Section 1J”)
– Generator (refer to “Generator Inspection: in
Section 1J”)
– Generator output control circuit (refer to “Generator
Test (Undercharged Battery Check): in Section
1J”)
– Generator field coil monitor circuit (refer to
“Generator Inspection: in Section 1J”)
If electric load current sensor circuit and charging
system is in good condition, electric load current sensor
is faulty.
Without Using SUZUKI Scan Tool
1) Measure sensor voltage between “C37-9” terminal of
ECM connector and vehicle body ground referring to
“Inspection of ECM and Its Circuits: in Section 1A”.
If check result is satisfactory, electric load current
sensor is in good condition.
If check result is not satisfactory, check the following
parts and circuit.
• Electric load current sensor circuit (power, ground
and output)
• Following charging system components
– Battery (refer to “Battery Inspection: in Section
1J”)
– Generator (refer to “Generator Inspection: in
Section 1J”)
– Generator output control circuit (refer to
“Generator Test (Undercharged Battery Check):
in Section 1J”)
– Generator field coil monitor circuit (refer to
“Generator Inspection: in Section 1J”)
If electric load current sensor circuit and charging
system is in good condition, electric load current
sensor is faulty.
Electric Load Current Sensor Removal and
Installation (For J20 Engine)
S5JB0A1306032
Removal
1) Remove battery from vehicle referring to “Battery
Dismounting and Remounting: in Section 1J”.
2) Detach fuse box No.1 (1) from its bracket.
3) Remove fuse block cover.
4) Disconnect connector from electric load current
sensor.
5) Remove electric load current sensor (1) from fuse
box No.1 (2).
Installation
Reverse removal procedure noting the following.
• Install battery referring to “Battery Dismounting and
Remounting: in Section 1J”.
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