RM3660EC _58 Vehicle Interior _080733 HEATING / AIR CONDITIONING _0598792 AIR CONDITIONING SYSTEM(for HV Model (8ZR-FXE)) C

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for HV Model (8ZR-FXE))  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 Memory
B14B97F Ion Generator Actuator Stuck Off Diagnosis Condition:

Ignition switch is ON and blower switch is on


Malfunction:

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


Memorized

WIRING DIAGRAM

E444985E12
5.938,1.177 6.552,1.375 0.615,0.198 10 false NAIN 5.938,1.813 6.552,2.01 0.615,0.198 10 false NANO 4.198,1.177 4.656,1.375 0.458,0.198 10 false IG+ 4.156,1.813 4.615,2.01 0.458,0.198 10 false PCL 3.365,1.177 3.823,1.375 0.458,0.198 10 false IG 3.365,1.813 3.823,2.01 0.458,0.198 10 false GND 1.969,1.365 3.802,1.563 1.833,0.198 10 false ECU-IGP NO. 3 0.458,1.177 1.396,1.667 0.938,0.49 10 false from IGP-MAIN Relay 5.781,2.24 6.979,2.615 1.198,0.375 10 false Air Conditioning Amplifier Assembly 3.031,2.375 5.115,2.74 2.083,0.365 10 false Ion Generator Sub-assembly 3.031,2.208 3.49,2.406 0.458,0.198 10 false P1 5.552,1.188 6.01,1.385 0.458,0.198 10 false I49 4.5,1.073 4.656,1.271 0.156,0.198 10 false 3 4.5,1.698 4.656,1.896 0.156,0.198 10 false 4 3.188,1.073 3.344,1.271 0.156,0.198 10 false 5 3.188,1.708 3.344,1.906 0.156,0.198 10 false 2 5.563,0.99 5.802,1.219 0.24,0.229 10 false 26 5.615,1.604 5.844,1.792 0.229,0.188 10 false 2 5.51,1.813 5.969,2.01 0.458,0.198 10 false I206

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 Operate with ignition switch 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.

Disconnect the P1 ion generator sub-assembly connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
P1-5 (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.

Disconnect the P1 ion generator sub-assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
P1-2 (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 P1 ion generator sub-assembly connector.


b.

Disconnect the I49 and I206 air conditioning amplifier assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
P1-3 (IG+) - I49-26 (NAIN) Always Below 1 Ω
P1-4 (PCL) - I206-2 (NANO) Always Below 1 Ω
P1-3 (IG+) or I49-26 (NAIN) - Other terminals and body ground Always 10 kΩ or higher
P1-4 (PCL) or I206-2 (NANO) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY COMMUNICATION POWER SUPPLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY COMMUNICATION POWER SUPPLY
a.

Disconnect the P1 ion generator sub-assembly connector.


b.

Connect the I49 and I206 air conditioning amplifier assembly connector.


c.

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

Standard Voltage:
Tester Connection Condition Specified Condition
P1-3 (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 P1 ion generator sub-assembly connector.


b.

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

E445155C20
3.75,0.281 4.156,0.531 0.406,0.25 3.49,1.438 3.292,2.01 true 3.229,0.198 3.542,0.354 0.313,0.156 10 false *a 3.875,0.333 4.333,0.531 0.458,0.198 10 false I49 3.115,2.031 3.729,2.229 0.615,0.198 10 false NAIN
*a Component with harness connected
(Air Conditioning Amplifier Assembly) 		- -


Standard Voltage:
Tester Connection Condition Specified Condition
I49-26 (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