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 | - |
Inspect the fuses for circuits related to this system before performing the following procedure.
Perform the Active Test according to the display on the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Ion Generator | Ion generator sub-assembly | OFF / ON | - |
| Tester Display |
|---|
| Ion Generator |
Check the blower switch OFF state.
The ion generator sub-assembly operating sound can be heard for 12 seconds or more according to the Active Test.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Pre-procedure1
Disconnect the G158 ion generator sub-assembly connector.
Procedure1
Measure the voltage according to the value(s) in the table below.
| 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 |
| Proceed to |
|---|
| OK |
| NG |
Post-procedure1
None
OK
NG
Pre-procedure1
Disconnect the G158 ion generator sub-assembly connector.
Procedure1
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G158-2 (GND) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
Post-procedure1
None
OK
NG
Pre-procedure1
Disconnect the G158 ion generator sub-assembly connector.
Disconnect the G46 air conditioning amplifier assembly connector.
Procedure1
Measure the resistance according to the value(s) in the table below.
| 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 |
| Proceed to |
|---|
| OK |
| NG |
Post-procedure1
None
OK
NG
Pre-procedure1
Disconnect the G158 ion generator sub-assembly connector.
Procedure1
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G158-3 (IG+) - Body ground | ·
Ignition switch ON ·
Blower switch: off |
4.75 to 5.25 V |
| Proceed to |
|---|
| OK |
| NG |
Post-procedure1
None
OK
NG
| *a | Component with harness connected
(Air Conditioning Amplifier Assembly) |
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G46-4 (NAIN) - Body ground | ·
Ignition switch ON ·
Blower switch: ON |
Below 2.2 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG