Nissan Tiida C11. Manual — part 858
HAC-96
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
CAN COMMUNICATION SYSTEM
CAN COMMUNICATION SYSTEM
System Description
INFOID:0000000001547398
DIAGNOSIS SYSTEM (BCM)
HAC-97
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
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DIAGNOSIS SYSTEM (BCM)
CONSULT-III Function (BCM)
INFOID:0000000001547400
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
DATA MONITOR
Display Item List
BCM diagnostic
test item
Diagnostic mode
Description
Inspection by part
WORK SUPPORT
Supports inspections and adjustments. Commands are transmitted to the BCM for
setting the status suitable for required operation, input/output signals are received
from the BCM and received data is displayed.
DATA MONITOR
Displays BCM input/output data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS
Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER
BCM part number can be read.
CONFIGURATION
Performs BCM configuration read/write functions.
Monitor item name “operation or
unit”
Contents
IGN ON SW
“ON/OFF”
Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from ignition switch signal.
FAN ON SIG
“ON/OFF”
Displays “FAN (ON)/FAN (OFF)” status as judged from blower motor switch signal.
COMP ON SIG
“ON/OFF”
Displays “COMP (ON)/COMP (OFF)” status as judged from air conditioner switch signal.
HAC-98
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
SELF-DIAGNOSIS FUNCTION
SELF-DIAGNOSIS FUNCTION
Front Air Control Self-Diagnosis
INFOID:0000000001547401
DESCRIPTION
The self-diagnostic system diagnoses sensors, door motors, blower motor, etc. by system line. Refer to appli-
cable sections (items) for details. Shifting from usual control to the self-diagnostic system is accomplished by
starting the engine (turning the ignition switch ON) and pressing OFF switch for at least 5 seconds. The OFF
switch must be pressed within 10 seconds after starting the engine (ignition switch is turned ON). This system
will be cancelled by either pressing AUTO switch or turning the ignition switch OFF. Shifting from one step to
another is accomplished by means of pushing front air control switches, as required.
Additionally shifting from STEP-5 to AUXILIARY MECHANISM is accomplished by means of pushing blower
motor switch (UP: ).
FUNCTION CONFIRMATION PROCEDURE
1.
SET IN SELF-DIAGNOSTIC MODE
1.
Turn ignition switch ON.
2.
Set in self-diagnostic mode as follows. Within 10 seconds after starting engine (ignition switch is turned
ON.), press OFF switch for at least 5 seconds.
AWIIA0284GB
SELF-DIAGNOSIS FUNCTION
HAC-99
< FUNCTION DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
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CAUTION:
If battery voltage drops below 12V during diagnosis STEP-3, door motor speed becomes slower and
as a result, the system may generate an error even when operation is usual. To avoid this, start engine
before performing this diagnosis.
>> GO TO 2.
2.
STEP-1: LED AND DISPLAY ARE CHECKED
Check display screen (1) and LED illumination (2).
OK or NG
OK
>> GO TO 3.
NG
>> Malfunction OFF switch or AUTO switch. Refer to
.
3.
CHECK TO ADVANCE SELF-DIAGNOSIS STEP-2
Press temperature control switch (UP: ).
Advance to self-diagnosis STEP-2?
YES
>> GO TO 4.
NO
>> Replace front air control (temperature control switch is malfunctioning). Refer to XX.
4.
CHECK TO RETURN SELF-DIAGNOSIS STEP-1
Press temperature control switch (DOWN: ).
Return to self-diagnosis STEP-1?
YES
>> GO TO 5.
NO
>> Replace front air control (temperature control switch is malfunctioning). Refer to XX.
5.
STEP-2: SENSOR CIRCUITS ARE CHECKED FOR OPEN OR SHORT CIRCUIT
Press temperature control switch (UP: ).
Does code No. 20 appear on the display?
YES
>> GO TO 6.
NO
>> GO TO 13.
6.
STEP-3: AIR MIX DOOR AND MODE DOOR POSITIONS ARE CHECKED
Press temperature control switch (UP: ).
Does code No. 30 appear on the display?
YES
>> GO TO 7.
NO
>> GO TO 14.
AWIIA0285ZZ
SJIA0737E
SJIA0738E
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