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ac9uuw00002414
POSITION MEMORY CONTROL MODULE INSPECTION
id091300811200
1. Measure the voltage at each terminal is as indicated in the Terminal Voltage Tables.
2. If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the position memory control module.
Terminal Voltage Table (Reference)
ac9uuw00002414
|
|
Terminal |
Signal name |
Connected to |
Measured condition |
Voltage (V) |
Inspection item (s) |
|---|---|---|---|---|---|
|
1A
|
Keyless entry signal
|
BCM
|
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
|
• BCM
• Related wiring harness
|
|
|
1D
|
Vehicle speed input
|
Instrument cluster
|
Measure the waveform while driving using the oscilloscope.
|
High output: B+
|
• Instrument cluster
• Related wiring harness
|
|
Low output: 1.0 or less
|
|||||
|
1F
|
Door open/closed
|
Door switch (Driver side)
|
Driver-side door open: Inspect for continuity to ground.
B+
|
• Door switch (Driver side)
• Related wiring harness
|
|
|
Driver-side door closed: Inspect for continuity to ground.
1.0 or less
|
|||||
|
1G
|
IG1
|
Instrument cluster 10 A fuse
|
Switch the ignition to ON
|
B+
|
• Instrument cluster 10 A fuse
• Related wiring harness
|
|
Switch the ignition to off or ACC
|
1.0 or less
|
||||
|
1H
|
Signal GND
|
Body ground
|
Under any condition
|
1.0 or less
|
Related wiring harness
|
|
1J
|
Power GND
|
Body ground
|
Under any condition
|
1.0 or less
|
Related wiring harness
|
|
1M
|
Power supply
|
ROOM 15 A fuse
|
Under any condition
|
B+
|
• ROOM 15 A fuse
• Related wiring harness
|
|
1O
|
Power supply
|
P/SEAT 40 A fuse
|
Under any condition
|
B+
|
• P/SEAT 40 A fuse
• Related wiring harness
|
|
2A
|
Slide switch input (forward)
|
Power seat switch
|
Press the slide switch to forward
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2B
|
Slide switch input (backward)
|
Power seat switch
|
Press the slide switch to backward
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2C
|
Front tilt switch input (up)
|
Power seat switch
|
Press the front tilt switch to up
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2D
|
Front tilt switch input (down)
|
Power seat switch
|
Press the front tilt switch to down
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2E
|
Rear tilt switch input (up)
|
Power seat switch
|
Press the rear tilt switch to up
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2F
|
Rear tilt switch input (down)
|
Power seat switch
|
Press the rear tilt switch to down
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2G
|
Recliner switch input (forward)
|
Power seat switch
|
Press the recliner switch to forward
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2H
|
Recliner switch input (backward)
|
Power seat switch
|
Press the recliner switch to backward
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2I
|
Signal GND input
|
Power seat switch
|
Under any condition
|
1.0 or less
|
• Power seat switch
• Related wiring harness
|
|
2J
|
Signal GND input
|
Position memory switch
|
Under any condition
|
1.0 or less
|
• Position memory switch
• Related wiring harness
|
|
2K
|
Set switch input
|
Position memory switch
|
Press the set switch
|
1.0 or less
|
• Position memory switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2L
|
Memory switch 1 input
|
Position memory switch
|
Press the memory switch 1
|
1.0 or less
|
• Position memory switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2M
|
Memory switch 2 input
|
Position memory switch
|
Press the memory switch 2
|
1.0 or less
|
• Position memory switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
2N
|
Memory switch 3 input
|
Position memory switch
|
Press the memory switch 3
|
1.0 or less
|
• Position memory switch
• Related wiring harness
|
|
Other
|
5.0
|
||||
|
3A
|
Slide motor output (forward)
|
Slide motor
|
While slide motor is moving to forward
|
B+
|
• Slide motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3B
|
Slide motor output (backward)
|
Slide motor
|
While slide motor is moving to backward
|
B+
|
• Slide motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3C
|
Front tilt motor output (up)
|
Front tilt motor
|
While front tilt motor is moving to up
|
B+
|
• Front tilt motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3D
|
Front tilt motor output (down)
|
Front tilt motor
|
While front tilt motor is moving to down
|
B+
|
• Front tilt motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3E
|
Rear tilt motor output (up)
|
Rear tilt motor
|
While rear tilt motor is moving to up
|
B+
|
• Rear tilt motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3F
|
Rear tilt motor output (down)
|
Rear tilt motor
|
While rear tilt motor is moving to down
|
B+
|
• Rear tilt motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3G
|
Recliner motor output (forward)
|
Recliner motor
|
While recliner motor is moving to forward
|
B+
|
• Recliner motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3H
|
Recliner motor output (backward)
|
Recliner motor
|
While recliner motor is moving to backward
|
B+
|
• Recliner motor
• Related wiring harness
|
|
Other
|
1.0 or less
|
||||
|
3I
|
Slide motor power supply
|
Slide motor
|
Slide motor moving
|
B+
|
• Slide motor
• Related wiring harnesses
|
|
Slide motor stopped
|
1.0 or less
|
||||
|
3J
|
Slide motor pulse
|
Slide motor
|
Measure the waveform while driving motor operation using the oscilloscope.
|
High output: 4.8 or more
|
• Slide motor
• Related wiring harnesses
|
|
Low output: 1.0 or less
|
|||||
|
Slide motor stopped
|
1.0 or less or 5.0
|
||||
|
3K
|
Front tilt motor power supply
|
Front tilt motor
|
Front tilt motor moving
|
B+
|
• Front tilt motor
• Related wiring harnesses
|
|
Front tilt motor stopped
|
1.0 or less
|
||||
|
3L
|
Front tilt motor pulse
|
Front tilt motor
|
Measure the waveform while driving motor operation using the oscilloscope.
|
High output: 4.8 or more
|
• Front tilt motor
• Related wiring harnesses
|
|
Low output: 1.0 or less
|
|||||
|
Front tilt motor stopped
|
1.0 or less or 5.0
|
||||
|
3M
|
Rear tilt motor power supply
|
Rear tilt motor
|
Rear tilt motor moving
|
B+
|
• Rear tilt motor
• Related wiring harnesses
|
|
Rear tilt motor stopped
|
1.0 or less
|
||||
|
3N
|
Rear tilt motor pulse
|
Rear tilt motor
|
Measure the waveform while driving motor operation using the oscilloscope.
|
High output: 4.8 or more
|
• Rear tilt motor
• Related wiring harnesses
|
|
Low output: 1.0 or less
|
|||||
|
Rear tilt motor stopped
|
1.0 or less or 5.0
|
||||
|
3O
|
Recliner motor power supply
|
Recliner motor
|
Recliner motor moving
|
B+
|
• Recliner motor
• Related wiring harnesses
|
|
Recliner motor stopped
|
1.0 or less
|
||||
|
3P
|
Recliner motor pulse
|
Recliner motor
|
Measure the waveform while driving motor operation using the oscilloscope.
|
High output: 4.8 or more
|
• Recliner motor
• Related wiring harnesses
|
|
Low output: 1.0 or less
|
|||||
|
Recliner motor stopped
|
1.0 or less or 5.0
|
||||