|
Terminal
|
Signal name
|
Connected to
|
Measurement condition
|
Voltage (V)
|
Inspection item (s)
|
|
A
|
-
|
-
|
-
|
-
|
-
|
|
B
|
-
|
-
|
-
|
-
|
-
|
|
C
|
-
|
-
|
-
|
-
|
-
|
|
D
|
B+
|
ROOM 15 A fuse
|
Under any condition
|
B+
|
• Wiring harness: continuity, short circuit (Climate control unit- fuse: D-ROOM 15 A)
• ROOM 15 A fuse
|
|
E
|
-
|
-
|
-
|
-
|
-
|
|
F
|
IG2
|
A/C 10 A fuse
|
IG SW ON
|
B+
|
• Wiring harness: continuity, short circuit (Climate control unit- fuse: F-A/C 10 A)
• A/C 10 A fuse
|
|
IG SW LOCK
|
1.0 or less
|
• Wiring harness: continuity, short circuit (Climate control unit- fuse: F-A/C 10 A)
|
|
G
|
-
|
-
|
-
|
-
|
-
|
|
H
|
-
|
-
|
-
|
-
|
-
|
|
I
|
-
|
-
|
-
|
-
|
-
|
|
J
|
GND
|
Body ground
|
Under any condition
|
1.0 or less
|
• Wiring harness: continuity (Climate control unit-GND: J-GND)
|
|
K
|
-
|
-
|
-
|
-
|
-
|
|
L
|
Sensor GND
|
Evaporator temperature sensor
|
Under any condition
|
1.0 or less
|
• Climate control unit: terminal voltage (J)
|
|
M
|
A/C
|
PJB
|
A/C switch ON, fan switch at 1st
|
1.0 or less
|
• Wiring harness: continuity (Climate control unit-PJB: M-J-04 AF)
|
|
A/C switch OFF
|
B+
|
• Wiring harness: continuity, short circuit (Climate control unit-PJB: M-J-04 AF)
|
|
N
|
Evaporator temperature sensor input
|
Evaporator temperature sensor
|
Compared with temperature detected by evaporator temperature sensor
|
Refer to graph 1
|
• Wiring harness: continuity (Climate control unit-evaporator temperature sensor: N-B, L-A)
• Wiring harness: short circuit (Climate control unit-evaporator temperature sensor: N-B)
• Evaporator temperature sensor
• Climate control unit: terminal voltage (F, J)
|
|
O
|
Motor operation
|
Air intake actuator
|
Switched to RECIRCULATE
|
1.0 or less
|
• Wiring harness: continuity, short circuit (Climate control unit-air intake actuator: S-G, O-E)
• Air intake actuator
|
|
Switched to FRESH
|
12
|
|
P
|
Rear window defroster switch indicator light
|
PJB
|
Rear window defroster switch ON
|
1.0 or less
|
• Wiring harness: continuity (Climate control unit-PJB: P-J-04 I)
• PJB
|
|
Rear window defroster switch OFF
|
4.0
|
• Wiring harness: short circuit (Climate control unit-PJB: P-J-04 I)
• PJB
|
|
Q
|
Motor operation
|
Air intake actuator
|
Switched to RECIRCULATE
|
12
|
• Wiring harness: continuity, short circuit (Climate control unit-air intake actuator: Q-C, S-G)
• Air intake actuator
|
|
Switched to FRESH
|
1.0 or less
|
|
R
|
Rear window defroster switch
|
PJB
|
Rear window defroster switch ON
|
10 or less
|
• Wiring harness: continuity, short circuit (Climate control unit-PJB: R-J-04 AD)
• Climate control unit: terminal voltage (J)
• PJB
|
|
Rear window defroster switch OFF
|
10 or less
|
• Wiring harness: continuity, short circuit (Climate control unit-PJB: R-J-04 AD)
• PJB
|
|
S
|
Motor operation
|
Air intake actuator
|
Switched to RECIRCULATE
|
12
|
• Wiring harness: continuity, short circuit (Climate control unit-air intake actuator: S-G, O-E, Q-C)
• Air intake actuator
|
|
Switched to FRESH
|
1.0 or less
|
|
T
|
FAN signal
|
Fan switch
|
FAN switch ON
|
1.0 or less
|
• Wiring harness: continuity (Climate control unit-fan switch: T-A)
• Fan switch
|
|
FAN switch OFF
|
4.4
|
• Wiring harness: continuity (Climate control unit-fan switch: T-A)
• Climate control unit: terminal voltage (F)
• Fan switch
|
|
U
|
TNS signal
|
Panel light control switch
|
Headlight switch OFF
|
1.0 or less
|
• Wiring harness: continuity (Climate control unit-panel light control switch: U-F)
• Panel light control switch
• Climate control unit: terminal voltage (V)
|
|
Headlight switch ON
|
12
|
• Wiring harness: short circuit (Climate control unit-panel light control switch: U-F)
|
|
V
|
TNS signal
|
PJB
|
Headlight switch OFF
|
1.0 or less
|
• Wiring harness: short circuit (Climate control unit-PJB: V-J-03 H)
• PJB
• Headlight switch
|
|
Headlight switch ON
|
B+
|
• Wiring harness: continuity, short circuit (Climate control unit-PJB: V-J-03 H)
• PJB
• Headlight switch
|
|
W
|
-
|
-
|
-
|
-
|
-
|
|
X
|
-
|
-
|
-
|
-
|
-
|
