1. Measure voltage or inspect for continuity according to the Terminal Voltage Table (Reference).
2. If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, perform symptom troubleshooting.
Terminal voltage list (Reference)
|
Terminal
|
Signal
|
Connected to
|
Test condition
|
Voltage (V)/Continuity
|
Action
|
|---|---|---|---|---|---|
|
A
|
Close output
|
Power window motor
|
While door glass is opening
|
Below 1.0
|
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
|
|
While door glass is closing
|
B+
|
||||
|
B
|
Door switch
|
Door switch
|
Any door is open (door switch is on): inspect for continuity to ground
|
Yes
|
• Inspect door switch (See DOOR SWITCH INSPECTION.)
• Inspect rear door upper latch switch (See REAR DOOR UPPER LATCH SWITCH INSPECTION.)
• Inspect rear door lower latch switch (See REAR DOOR LOWER LATCH SWITCH INSPECTION.)
• Inspect related harness
|
|
All doors are closed (door switch is off): inspect for continuity to ground
|
No
|
||||
|
C
|
Power supply
|
Power window motor
|
Under any condition
|
B+
|
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
|
|
E
|
Power supply
|
P. WIND 30 A fuse
|
Under any condition
|
B+
|
• P. WIND 20 A fuse
• Inspect related harness
|
|
K
|
Ground
|
GND
|
Under any condition: inspect for continuity to ground
|
Yes
|
• Inspect GND
|
|
M
|
Ground
|
Power window motor
|
Under any condition: inspect for continuity to ground
|
Yes
|
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
|
|
N
|
IG1
|
P. WIND 20 A fuse
|
Ignition switch is at ON position
|
B+
|
• Inspect P. WIND 30 A fuse
• Inspect related harness
|
|
Ignition switch is at LOCK position
|
Below 1.0
|
||||
|
O
|
Pulse 1
|
Power window motor
|
Door glass is in motion
|
Alternates between 0 and B+
|
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
|
|
Door glass is not in motion
|
0 or B+
|
||||
|
P
|
Pulse 2
|
Power window motor
|
Door glass is in motion
|
Alternates between 0 and B+
|
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
|
|
Door glass is not in motion
|
0 or B+
|
||||
|
Q
|
Open output
|
Power window motor
|
While door glass is opening
|
B+
|
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
|
|
While door glass is closing
|
Below 1.0
|
1. Turn the power-cut switch to UNLOCK.
2. Inspect for continuity between the power window main switch terminals.
