|
No.
|
TECH
1-DISPLAY
|
Conditions
for Checking
|
Nominal
Value
|
Trouble
Codes
|
Terminal
|
|
14
|
A/C CUT OFF REQ.
|
Vehicles with AC and AT:
|
|
-
|
24
|
|
|
|
Ignition ON
|
ACTIVE 12V
|
|
|
|
|
|
|
|
|
|
|
|
|
Engine running at idle speed, operating temperature
|
|
|
|
|
|
|
Actuate AC switch
|
INACTIVE
0V
|
|
|
|
|
|
|
|
|
|
|
|
|
Vehicles with AC and MT:
|
|
|
|
|
|
|
Ignition ON
|
INACTIVE
0V
|
|
|
|
|
|
|
|
|
|
|
|
|
Engine running at idle speed, operating temperature
|
|
|
|
|
|
|
Actuate AC switch
|
INACTIVE
0V
|
|
|
|
|
|
|
|
|
|
|
Trouble-shooting
|
Nominal Value
|
Cause of
Fault:
(If nominal
value is not attained)
|
|
Note:
Test step 14 is divided into two parts:
a) For vehicles with air conditioning and manual
transmission: carry out data list check a)
b) For vehicles with air conditioning and automatic
transmission: carry out data list check b)
|
|
a) Vehicles with air conditioning and manual
transmission:
|
|
|
|
· Ignition OFF
· Disconnect wiring harness plug from DDE control
unit K70
· Using multimeter, measure resistance
from: wiring harness plug for DDE
control unit K70 Ter. 24
to: ground
|
lower than 2 W
|
· Circuit interruption
from: wiring harness plug for DDE
control unit K70 Ter. 24
to: ground
|
|
|
If nominal values are attained
|
· DDE control unit K70 defective
|
|
b) Vehicles with air conditioning and automatic
transmission:
|
|
|
|
· Disconnect wiring harness plug from AT control
unit K85
· Ignition ON
· TECH 1 parameter A/C CUT OFF REQ.
|
ACTIVE 12V
|
· Short circuit to ground
from: wiring harness plug for DDE
control unit K70 Ter. 24
to: wiring harness plug for
AT control unit K85 Ter. 10
· DDE control unit K70 defective
|
|
· Bridge wiring harness plug for AT control unit
K85 with electrically fused jumper
from: wiring harness plug for AT
control unit K85 Ter. 10
to: ground
· TECH 1 parameter A/C CUTOFF REQ.
|
INACTIVE 0V
|
· Short circuit to voltage
from: wiring harness plug for DDE
control unit K70 Ter. 24
to: wiring harness plug for
AT control unit K85 Ter. 10
· Circuit interruption
from: wiring harness plug for DDE
control unit K70 Ter. 24
to: wiring harness plug for
AT control unit K85 Ter. 10
· DDE control unit K70 defective
|
|
|
If nominal values are attained
|
· AT control unit K85 defective
|
|
|
|
|
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