BACKUP POWER SUPPLY INSPECTION


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1.  Remove the following parts:

(1)  Trunk covering (See TRUNK COVERING REMOVAL/INSTALLATION.)
(2)  Trunk board (See TRUNK BOARD REMOVAL/INSTALLATION.)
(3)  Trunk side pocket (LH) (See TRUNK SIDE POCKET REMOVAL/INSTALLATION.)
(4)  Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION.)
(5)  Rear scuff plate (LH) (See REAR SCUFF PLATE REMOVAL/INSTALLATION.)
(6)  Third-row seat cushion (See THIRD-ROW SEAT CUSHION REMOVAL/INSTALLATION.)
(7)  Third-row seat back component (See THIRD-ROW SEAT BACK COMPONENT REMOVAL/INSTALLATION.)
(8)  Trunk side trim (LH) (See TRUNK SIDE TRIM REMOVAL/INSTALLATION.)

2.  Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).

•  If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s) and related wiring harnesses.
?  If the system does not operate normally even though the inspection items are normal, replace the backup power supply. (See BACKUP POWER SUPPLY REMOVAL/INSTALLATION.)

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Terminal

Signal name

Connected to

Test condition

Voltage (V)

Inspection item

A
Power supply
Rear body control module (RBCM)
Under any condition
B+
•  Rear body control module (RBCM)
•  Related wiring harness
B
Power supply (IG1)
METER1 10 A fuse
Ignition switched ON (engine off or on)
B+
•  METER1 10 A fuse
•  Related wiring harness
Ignition switched OFF (LOCK)
1.0 or less
C
Power supply
D.LOCK 25 A fuse
Under any condition
B+
•  D.LOCK 25 A fuse
•  Related wiring harness
D
E
F
G
H
GND
Body ground
Under any condition
1.0 or less
•  Body ground
•  Related wiring harness
I
J
GND
Body ground
Under any condition
1.0 or less
•  Body ground
•  Related wiring harness