RM36D0EC _58 Vehicle Interior _083104 HEATING / AIR CONDITIONING _0402828 AIR CONDITIONING SYSTEM(for Gasoline Model) C

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for Gasoline Model)  B14B97F  Ion Generator Actuator Stuck Off  


DESCRIPTION

The ion generator sub-assembly operates when the blower switch is on.

The air conditioning amplifier assembly sends a drive signal to the No. 1 ion generator sub-assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory DTC Output from Priority Note
B14B97F Ion Generator Actuator Stuck Off
Diagnosis Condition:

Ignition switch is ON and blower switch is on


Diagnosis Condition:

Open or short in ion generator circuit


Detection Time:

Continuously for 12 seconds or more


·

Ion generator sub-assembly

·

Harness or connector

·

Air conditioning amplifier assembly


Does not come on Memorized Air Conditioner A -

WIRING DIAGRAM

E334627E58
0.125,0.25 1.135,0.573 1.01,0.323 10 false from IGP Relay 1.594,0.458 2.615,0.688 1.021,0.229 10 false ECU-IGP NO.3 2.583,0.188 2.74,0.385 0.156,0.198 10 false 5 2.771,0.313 3.083,0.51 0.313,0.198 10 false IG 2.563,1.521 2.719,1.719 0.156,0.198 10 false 2 2.771,1.583 3.229,1.781 0.458,0.198 10 false GND 4.448,0.417 4.604,0.615 0.156,0.198 10 false 3 4.146,0.417 4.604,0.615 0.458,0.198 10 false IG+ 4.094,1.427 4.552,1.625 0.458,0.198 10 false PCL 4.438,1.417 4.594,1.615 0.156,0.198 10 false 4 5.344,1.417 5.958,1.615 0.615,0.198 10 false NANO 5.042,1.417 5.24,1.604 0.198,0.188 10 false 24 5.125,0.427 5.438,0.625 0.313,0.198 10 false 4 5.313,0.427 5.927,0.625 0.615,0.198 10 false NAIN 6.083,1.521 6.396,1.719 0.313,0.198 10 false IC 2.729,2.271 3.135,2.458 0.406,0.188 10 false G158 2.729,2.427 4.594,2.615 1.865,0.188 10 false Ion Generator Sub-assembly 4.844,2.24 5.302,2.438 0.458,0.198 10 false G46 4.833,2.417 7.156,2.677 2.323,0.26 10 false Air Conditioning Amplifier Assembly 6.083,0.156 6.396,0.354 0.313,0.198 10 false 5 V 3.25,1.896 3.865,2.094 0.615,0.198 10 false Nanoe 3.073,1.125 3.385,1.323 0.313,0.198 10 false 5 V

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


PROCEDURE

1.PERFORM ACTIVE TEST USING GTS
a.

Perform the Active Test according to the display on the GTS.

Body Electrical > Air Conditioner > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Ion Generator Ion generator sub-assembly OFF / ON -
Body Electrical > Air Conditioner > Active Test
Tester Display
Ion Generator
50004 450 14
HINT:

Check the blower switch OFF state.


OK:

The ion generator sub-assembly operating sound can be heard for 12 seconds or more according to the Active Test.



Result:
Proceed to
OK
NG



OK

NG

2.CHECK HARNESS AND CONNECTOR (ION GENERATOR SUB-ASSEMBLY - IG POWER SOURCE)
2.CHECK HARNESS AND CONNECTOR (ION GENERATOR SUB-ASSEMBLY - IG POWER SOURCE)

Pre-procedure1

a.

Disconnect the G158 ion generator sub-assembly connector.


Procedure1

b.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
G158-5 (IG) - Body ground Ignition switch ON 11 to 14 V
G158-5 (IG) - Body ground Ignition switch off Below 1 V



Result:
Proceed to
OK
NG


Post-procedure1

c.

None



OK

3.CHECK HARNESS AND CONNECTOR (ION GENERATOR SUB-ASSEMBLY - BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.CHECK HARNESS AND CONNECTOR (ION GENERATOR SUB-ASSEMBLY - BODY GROUND)

Pre-procedure1

a.

Disconnect the G158 ion generator sub-assembly connector.


Procedure1

b.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
G158-2 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG


Post-procedure1

c.

None



OK

4.CHECK HARNESS AND CONNECTOR (ION GENERATOR SUB-ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (ION GENERATOR SUB-ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY)

Pre-procedure1

a.

Disconnect the G158 ion generator sub-assembly connector.


b.

Disconnect the G46 air conditioning amplifier assembly connector.


Procedure1

c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
G158-3 (IG+) - G46-4 (NAIN) Always Below 1 Ω
G158-4 (PCL) - G46-24 (NANO) Always Below 1 Ω
G158-3 (IG+) or G46-4 (NAIN) - Other terminals and body ground Always 10 kΩ or higher
G158-4 (PCL) or G46-24 (NANO) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG


Post-procedure1

d.

None



OK

5.CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

Pre-procedure1

a.

Disconnect the G158 ion generator sub-assembly connector.


Procedure1

b.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Condition Specified Condition
G158-3 (IG+) - Body ground
·

Ignition switch ON

·

Blower switch: off


4.75 to 5.25 V


Result:
Proceed to
OK
NG



Post-procedure1

c.

None



OK

6.CHECK ION GENERATOR SUB-ASSEMBLY

NG

6.CHECK ION GENERATOR SUB-ASSEMBLY
a.
E498278C03
1.417,0.5 1.917,0.75 0.5,0.25 0.51,0.792 0.844,0.792 0.844,0.792 0.917,1.583 true 0.094,0.042 0.406,0.24 0.313,0.198 10 false *a 1.531,0.563 1.844,0.76 0.313,0.198 10 false G46 0.188,0.729 0.635,0.927 0.448,0.198 10 false NAIN
*a Component with harness connected
(Air Conditioning Amplifier Assembly)


Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Condition Specified Condition
G46-4 (NAIN) - Body ground
·

Ignition switch ON

·

Blower switch: ON


Below 2.2 V


Result:
Proceed to
OK
NG




OK

NG