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a30zzw00001598
CLIMATE CONTROL UNIT INSPECTION
id074000702300
1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)
2. Remove the climate control unit with the connector connected. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION.)
3. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)
4. Switch the ignition ON (engine off or on).
5. Connect the negative (-) lead of the tester to body ground.
6. Insert the positive (+) lead of the tester into each climate control unit terminal and measure the voltage according to the terminal voltage table.
Terminal Voltage Table (Reference)
a30zzw00001598
|
|
Terminal |
Signal name |
Connected to |
Measurement condition |
Voltage (V) |
Inspection item (s) |
|---|---|---|---|---|---|
|
1A
|
BATT
|
F19 10 A fuse
|
Under any condition
|
B+
|
• Related wiring harness
• F19 10 A fuse
|
|
1B
|
—
|
—
|
—
|
—
|
—
|
|
1C
|
IG
|
F47 15 A fuse
|
Switch the ignition ON (engine off or on)
|
B+
|
• Related wiring harness
• F47 15 A fuse
|
|
Switch the ignition OFF
|
1.0 or less
|
||||
|
1D
|
Glove compartment light
|
Glove compartment light control *1
|
Light switch at TNS position
|
B+
|
• Related wiring harness
|
|
Light switch at OFF position
|
1.0 or less
|
||||
|
1E
|
—
|
—
|
—
|
—
|
—
|
|
1F
|
—
|
—
|
—
|
—
|
—
|
|
1G
|
Hazard-Switch
|
HAZARD WARNING SWITCH
|
Hazard warning light ON
|
B+
|
• Related wiring harness
|
|
Hazard warning light OFF
|
1.0 or less
|
||||
|
1H
|
GND
|
Body ground
|
Under any condition
|
Approx
. 0
|
• Ground point
• Related wiring harness
|
|
1I
|
INC-SSR(ICT-SSR)
|
Passenger compartment temperature sensor
|
Compared with temperature detected by passenger compartment temperature sensor
|
Refer to graph
|
• Related wiring harness
• Passenger compartment temperature sensor
|
|
1J
|
GND-SSR
|
Passenger compartment temperature sensor
|
Under any condition
|
1.0 or less
|
• Related wiring harness
• Passenger compartment temperature sensor
|
|
1K
|
HS_CAN_H
|
CAN related module
|
Because this terminal is for communication, integrity determination by terminal voltage is not possible.
|
• Related wiring harness
|
|
|
1L
|
—
|
—
|
—
|
—
|
—
|
|
1M
|
—
|
—
|
—
|
—
|
—
|
|
1N
|
HS_CAN_L
|
CAN related module
|
Because this terminal is for communication, integrity determination by terminal voltage is not possible.
|
• Related wiring harness
|
|
|
1O
|
—
|
—
|
—
|
—
|
—
|
|
1P
|
—
|
—
|
—
|
—
|
—
|
 |