AIR CONDITIONING SYSTEM Ion Generator Switch Circuit

DESCRIPTION

The A/C amplifier receives a switch signal from the ion generator switch (air purifier switch assembly). Upon receiving the signal, the A/C amplifier sends an indicator illumination signal to the ion generator switch (air purifier switch assembly).

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   INSPECT ION GENERATOR SWITCH (AIR PURIFIER SWITCH ASSEMBLY)

   
   

   1. Remove the ion generator switch (air purifier switch assembly) (Click here).

   2. 

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

      Standard Resistance
      Tester Connection Condition Specified Condition G101-3 (E) - G101-6 (ECU) Ion generator switch (air purifier switch assembly) off 10 kΩ or higher G101-3 (E) - G101-6 (ECU) Ion generator switch (air purifier switch assembly) on Below 1 Ω

   
   
   • OKClick here
   • NGClick here
2. Click here

   CHECK HARNESS AND CONNECTOR (ION GENERATOR SWITCH (AIR PURIFIER SWITCH ASSEMBLY) - BODY GROUND)

   
   

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

      Standard Resistance
      Tester Connection Condition Specified Condition G101-3 (E) - Body ground Always Below 1 Ω

   
   
   • OKClick here
   • NGClick here
3. Click here

   CHECK HARNESS AND CONNECTOR (ION GENERATOR SWITCH (AIR PURIFIER SWITCH ASSEMBLY) - A/C AMPLIFIER)

   
   

   1. Disconnect the G34 A/C amplifier connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition G34-18 (NASW) - G101-6 (ECU) Always Below 1 Ω G34-18 (NASW) - Body ground Always 10 kΩ or higher

   
   
   • OKClick here
   • NGClick here
4. Click here

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

5. Click here

   REPLACE ION GENERATOR SWITCH (AIR PURIFIER SWITCH ASSEMBLY)Click here

6. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR