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am2zzw00014428
ELECTRICAL SUPPLY UNIT (ESU) INSPECTION
id094000003700
1. Remove the front scuff plate.(LH) (See FRONT SCUFF PLATE REMOVAL/INSTALLATION.)
2. Remove the front side trim.(LH) (See FRONT SIDE TRIM REMOVAL/INSTALLATION.)
3. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference). (See Terminal Voltage Table (Reference).)
am2zzw00014428
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Terminal Voltage Table (Reference)
|
Terminal |
Signal |
Connected to |
Measurement condition |
Voltage (V) |
Inspection item(s) |
|
|---|---|---|---|---|---|---|
|
1A
|
Ground
|
Body ground
|
Under any condition
|
1.0 or less
|
Body ground
|
|
|
1B*1
|
Door unlock control
|
• Front door latch and lock actuator (LH), (RH)
• Rear door latch and lock actuator (LH), (RH)
|
Driver's door lock switch is unlocked
|
1.0 or less → Approx. 10 → 1.0 or less
|
• Front door latch and lock actuator (LH), (RH)
• Rear door latch and lock actuator (LH), (RH)
|
|
|
Conditions other than above
|
1.0 or less
|
|||||
|
1C*1
|
Door lock control
|
• Front door latch and lock actuator (LH), (RH)
• Rear door latch and lock actuator (LH), (RH)
|
Driver's door lock switch is locked
|
1.0 or less → Approx. 10 → 1.0 or less
|
• Front door latch and lock actuator (LH), (RH)
• Rear door latch and lock actuator (LH), (RH)
|
|
|
Conditions other than above
|
1.0 or less
|
|||||
|
1D
|
Taillight, license plate light control
|
• License plate light (LH), (RH)
• Taillight (LH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in TNS position
|
B+
|
• License plate light (LH), (RH)
• Taillight (LH)
|
|
Light switch is in OFF position
|
1.0 or less
|
|||||
|
1E*1
|
Double locking system control
|
• Front door latch and lock actuator (LH), (RH)
• Rear door latch and lock actuator (LH), (RH)
|
Press remote transmitter lock button two times (double locking system operation condition)
|
1.0 or less → Approx. 10 → 1.0 or less
|
• Front door latch and lock actuator (LH), (RH)
• Rear door latch and lock actuator (LH), (RH)
|
|
|
Conditions other than above
|
1.0 or less
|
|||||
|
1F
|
—
|
—
|
—
|
—
|
—
|
|
|
1G
|
E latch motor control
|
Liftgate latch and lock actuator
|
Liftgate is open
|
1.0 or less → Approx. 10 → 1.0 or less
|
Liftgate latch and lock actuator
|
|
|
Liftgate is close
|
1.0 or less
|
|||||
|
1H
|
Ignition power supply
|
METER1 10 A fuse
|
Ignition is switched ON (engine off or on)
|
B+
|
METER1 10 A fuse
|
|
|
The ignition is switched off (LOCK)
|
1.0 or less
|
|||||
|
2A
|
Taillight control
|
Taillight (RH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in TNS position
|
B+
|
Taillight (RH)
|
|
Light switch is in OFF position
|
1.0 or less
|
|||||
|
2B
|
Power supply
|
TAIL 20 A fuse
|
Under any condition
|
B+
|
TAIL 20 A fuse
|
|
|
2C
|
—
|
—
|
—
|
—
|
—
|
|
|
2D
|
Interior illumination power supply
|
• Trunk lid opener swittch (interior)
• Cluster switch
• Steering switch
• Commander switch*2
• DVD/CD player*3
• Audio unit*4
• Hazard warning switch
• Climate control unit
• Shift panel (indicator)
• Drive selection switch*5
• Cruise control switch
|
Ignition is switched ON (engine off or on)
|
Light switch is in ON position
|
B+
|
• Trunk lid opener swittch (interior)
• Cluster switch
• Steering switch
• Commander switch*2
• DVD/CD player*3
• Audio unit*4
• Hazard warning switch
• Climate control unit
• Shift panel (indicator)
• Drive selection switch*5
• Cruise control switch
|
|
Light switch is in OFF position
|
Voltage changes according to the tester specification, therefore determination is not possible.
|
|||||
|
2E
|
Rear wiper motor control
|
Rear wiper motor
|
Ignition is switched ON (engine off or on)
|
Rear wiper switch is on
|
1.0 or less
|
Rear wiper motor
|
|
Rear wiper switch is off
|
B+
|
|||||
|
2F
|
Cargo compartment light power supply
|
Cargo compartment light
|
Ignition is switched ON (engine off or on) and cargo compartment light switched on
|
Liftgate is opened
|
1.0 or less
|
Cargo compartment light
|
|
Liftgate is closed
|
B+
|
|||||
|
2G
|
Ground
|
Body ground
|
Under any condition
|
1.0 or less
|
Body ground
|
|
|
2H
|
Serial communication
|
SAS control module
|
Terminal used for communication therefore determination based on terminal voltage is not possible.
|
|||
|
2I
|
LIN communication
|
Body control module (BCM)
|
Terminal used for communication therefore determination based on terminal voltage is not possible.
|
|||
|
2J
|
—
|
—
|
—
|
—
|
—
|
|
|
2K
|
—
|
—
|
—
|
—
|
—
|
|
|
2L
|
Front map light power supply
|
Front map light
|
Ignition is switched ON (engine off or on)
|
Interior light switch is in DOOR position and door is open
|
1.0 or less
|
Front map light
|
|
Interior light switch is in DOOR position and door is closed
|
B+
|
|||||
|
2M
|
Rear wiper motor power supply
|
Rear wiper motor
|
Ignition is switched ON (engine off or on)
|
Rear wiper switch is on
|
B+
|
Rear wiper motor
|
|
The ignition is switched off (LOCK)
|
Rear wiper switch is off
|
1.0 or less
|
||||
|
2N
|
—
|
—
|
—
|
—
|
—
|
|
|
2O
|
—
|
—
|
—
|
—
|
—
|
|
|
2P
|
Power supply
|
• INTERIOR 15 A fuse
• ROOM 25 A fuse
|
Under any condition
|
B+
|
• INTERIOR 15 A fuse
• ROOM 25 A fuse
|
|
|
2Q
|
Back-up light control
|
Back-up light (LH), (RH)
|
Ignition is switched ON (engine off or on)
|
Selector lever is in R position
|
B+
|
Back-up light (LH), (RH)
|
|
Conditions other than above
|
1.0 or less
|
|||||
|
2R
|
Power supply
|
• R.WIPER 15 A fuse
• CABIN+B 50 A fuse
|
Under any condition
|
B+
|
• R.WIPER 15 A fuse
• CABIN+B 50 A fuse
|
|
|
3A
|
Headlight high-beam control
|
Front combination light (RH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in high-beam position
|
B+
|
Front combination light (RH)
|
|
Light switch is in position other than high-beam position
|
1.0 or less
|
|||||
|
3B
|
Power supply
|
H/L RH 20 A fuse
|
Under any condition
|
B+
|
H/L RH 20 A fuse
|
|
|
3C
|
Headlight low-beam control
|
Front combination light (RH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in low-beam position
|
B+
|
Front combination light (RH)
|
|
Light switch in OFF position
|
1.0 or less
|
|||||
|
3D*1
|
Power supply
|
D.LOCK 25 A fuse
|
Under any condition
|
B+
|
D.LOCK 25 A fuse
|
|
|
4A
|
Headlight high-beam control
|
Front combination light (LH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in high-beam position
|
B+
|
Front combination light (LH)
|
|
Light switch is in position other than high-beam position
|
1.0 or less
|
|||||
|
4B
|
Front washer motor control
|
Washer motor
|
Ignition is switched ON (engine off or on)
|
Front washer switch is on
|
B+
|
Windshield wiper motor
|
|
Front washer switch is off
|
1.0 or less
|
|||||
|
4C
|
Power supply
|
H/L LH 20 A fuse
|
Under any condition
|
B+
|
H/L LH 20 A fuse
|
|
|
4D
|
—
|
—
|
—
|
—
|
—
|
|
|
4E
|
Headlight low-beam control
|
Front combination light (LH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in low-beam position
|
B+
|
Front combination light (LH)
|
|
Light switch in OFF position
|
1.0 or less
|
|||||
|
4F
|
—
|
—
|
—
|
—
|
—
|
|
|
4G
|
Parking light (RH) control
|
Front combination light (RH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in parking light position
|
B+
|
Front combination light (RH)
|
|
Light switch is in position other than parking light position
|
1.0 or less
|
|||||
|
4H
|
Rear washer motor control
|
Washer motor
|
Ignition is switched ON (engine off or on)
|
Rear washer switch is on
|
B+
|
Washer motor
|
|
Rear washer switch is off
|
1.0 or less
|
|||||
|
4I
|
Parking light (LH) control
|
Front combination light (LH)
|
Ignition is switched ON (engine off or on)
|
Light switch is in parking light position
|
B+
|
Front combination light (LH)
|
|
Light switch is in position other than parking light position
|
1.0 or less
|
|||||
|
4J*6
|
Running light control
|
Running light (LH), (RH)
|
Ignition is switched ON (engine off or on)
|
Running light illuminates
|
B+
|
Running light (LH), (RH)
|
|
Running light turns off
|
1.0 or less
|
|||||