RM38T0EC _58 Vehicle Interior _104612 HEATING / AIR CONDITIONING _0601796 AIR CONDITIONING SYSTEM(for HEV Model) C

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for HEV 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 ion generator sub-assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B14B97F Ion Generator Actuator Stuck Off
Diagnosis Condition:

Ignition switch is ON and blower switch is on


Malfunction Status:

Open or short in ion generator circuit


Detection Time:

Continuously for 12 seconds or more


Trip Count:

1 trip detection logic


·

Ion generator sub-assembly

·

Harness or connector

·

Air conditioning amplifier assembly


-

WIRING DIAGRAM

E424807E12
4.646,0.802 5.26,1 0.615,0.198 10 false NAIN 4.646,2.052 5.26,2.25 0.615,0.198 10 false NANO 3.438,0.906 3.896,1.104 0.458,0.198 10 false IG+ 3.385,2.167 3.844,2.365 0.458,0.198 10 false PCL 2.677,0.917 3.135,1.115 0.458,0.198 10 false IG 2.677,2.156 3.135,2.354 0.458,0.198 10 false GND 1.531,1.104 3.365,1.302 1.833,0.198 10 false ECU-IGP NO. 2 0.333,0.896 1.313,1.49 0.979,0.594 10 false from IGP-MAIN Relay 4.458,3.135 6.823,3.531 2.365,0.396 10 false Air Conditioning Amplifier Assembly 2.323,2.792 4.406,3.156 2.083,0.365 10 false Ion Generator Sub-assembly 3.771,0.813 3.927,1.01 0.156,0.198 10 false 3 3.771,2.052 3.927,2.25 0.156,0.198 10 false 4 2.458,0.792 2.615,0.99 0.156,0.198 10 false 5 2.458,2.052 2.615,2.25 0.156,0.198 10 false 2 4.438,0.813 4.594,1.01 0.156,0.198 10 false 4 4.375,2.052 4.604,2.24 0.229,0.188 10 false 24 4.458,2.958 4.917,3.156 0.458,0.198 10 false I49 2.323,2.594 2.781,2.792 0.458,0.198 10 false I280 5.604,2.156 5.833,2.344 0.229,0.188 10 false IC 5.688,0.427 6.365,0.719 0.677,0.292 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 This test activates the Ion Generator. OFF / ON -
Body Electrical > Air Conditioner > Active Test
Tester Display
Ion Generator
50004 450 14
OK:

Ion generator sub-assembly operates normally.



Result:
Proceed to
OK
NG



OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING AMPLIFIER>REMOVAL


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)
a.
E474476C13
1.479,0.292 1.969,0.542 0.49,0.25 2.49,1.667 2.073,1.323 true 2.542,1.615 2.865,1.823 0.323,0.208 10 false IG 0.073,0.073 0.396,0.281 0.323,0.208 10 false *a 1.573,0.323 1.896,0.542 0.323,0.219 10 false I280
*a Front view of wire harness connector
(to Ion Generator Sub-assembly)


Disconnect the ion generator sub-assembly connector.


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
I280-5 (IG) - Body ground Ignition switch ON 11 to 14 V



Result:
Proceed to
OK
NG



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)
a.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I280-2 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



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)
a.

Disconnect the I49 air conditioning amplifier assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I280-3 (IG+) - I49-4 (NAIN) Always Below 1 Ω
I280-4 (PCL) - I49-24 (NANO) Always Below 1 Ω
I280-3 (IG+) or I49-4 (NAIN) - Other terminals and body ground Always 10 kΩ or higher
I280-4 (PCL) or I49-24 (NANO) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
a.
E474476C14
1.49,0.292 1.938,0.542 0.448,0.25 2.031,1.771 1.708,1.354 true 2,1.792 2.323,2 0.323,0.208 10 false IG+ 0.073,0.073 0.396,0.281 0.323,0.208 10 false *a 1.573,0.323 2.094,0.542 0.521,0.219 10 false I280
*a Front view of wire harness connector
(to Ion Generator Sub-assembly)


Reconnect the I49 air conditioning amplifier assembly connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I280-3 (IG+) - Body ground
·

Ignition switch ON

·

Blower switch: off


4.75 to 5.25 V



Result:
Proceed to
OK
NG



OK

6.CHECK ION GENERATOR SUB-ASSEMBLY OUTPUT

NG

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING AMPLIFIER>REMOVAL


6.CHECK ION GENERATOR SUB-ASSEMBLY OUTPUT
a.

Connect the I280 ion generator sub-assembly connector.


b.

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

E445155C07
3.74,0.302 4.146,0.552 0.406,0.25 3.417,1.146 3.208,1.938 true 3.229,0.198 3.542,0.354 0.313,0.156 10 false *a 3.833,0.344 4.292,0.542 0.458,0.198 10 false I49 3.042,1.979 3.656,2.177 0.615,0.198 10 false NAIN
*a Component with harness connected
(Air Conditioning Amplifier Assembly) 		- -


Standard Voltage:
Tester Connection Condition Specified Condition
I49-4 (NAIN) - Body ground
·

Ignition switch ON

·

Blower switch: ON


Below 2.2 V



Result:
Proceed to
OK
NG



OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING AMPLIFIER>REMOVAL


NG

REPLACE ION GENERATOR SUB-ASSEMBLY

Click hereVehicle Interior>HEATING / AIR CONDITIONING>ION GENERATOR>REMOVAL