Air Conditioning System (Diagnostic Codes & Circuit Tests): Other Lexus GS IV

PROCEDURE

1. READ VALUE USING TECHSTREAM (ROOM TEMPERATURE SENSOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Room Temperature Sensor Cooler thermistor / min.: -6.50°C (20.30°F) max.: 57.25°C (135.05°F) Actual cabin temperature displayed - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 4 C --> See step 5 A: Go to next step
2. INSPECT COOLER THERMISTOR Remove the cooler thermistor. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S12922145142014022400000) . Inspect the cooler thermistor. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S15323504012014022400000) . NG --> See step 6 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (COOLER THERMISTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N80-16 (TR) - N44-1 Always Below 1 ohms N80-1 (SG-1) - N44-2 Always Below 1 ohms N80-16 (TR) - Body ground Always 10 kohms or higher N80-1 (SG-1) - Body ground Always 10 kohms or higher N80-16 (TR) - N80-1 (SG-1) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 5
4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
5. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
6. REPLACE COOLER THERMISTOR. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S12922145142014022400000)

1. READ VALUE USING TECHSTREAM (AMBIENT TEMP SENSOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Ambient Temp Sensor Thermistor assembly / Min: -23.30°C (-9.94°F) Max: 65.95°C (150.71°F) Actual ambient temperature displayed - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 4 C --> See step 5 A: Go to next step
2. INSPECT THERMISTOR ASSEMBLY Remove the thermistor assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S18283598632014022400000) . Inspect the thermistor assembly. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S13115783042014022400000) . NG --> See step 6 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (THERMISTOR ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N80-10 (TAM) - B8-2 Always Below 1 ohms N80-32 (SG-2) - B8-1 Always Below 1 ohms N80-10 (TAM) - Body ground Always 10 kohms or higher N80-32 (SG-2) - Body ground Always 10 kohms or higher N80-10 (TAM) - N80-32 (SG-2) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 5
4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
5. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
6. REPLACE THERMISTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S18283598632014022400000)

1. READ VALUE USING TECHSTREAM (EVAPORATOR FIN THERMISTOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Evaporator Fin Thermistor No. 1 cooler thermistor / Min.: -29.70°C (-21.46°F) Max.: 59.55°C (139.19°F) Actual evaporator temperature displayed - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 4 A: Go to next step
2. INSPECT NO. 1 COOLER THERMISTOR Remove the No. 1 cooler thermistor. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S02465551862014022400000) . Inspect the No. 1 cooler thermistor. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S16248685542014022400000) . NG --> See step 6 OK: Go to next step
3. INSPECT AIR CONDITIONING HARNESS ASSEMBLY Remove the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition z1-11 (TEA) - 1 Always Below 1 ohms z1-12 (SGA) - 2 Always Below 1 ohms z1-11 (TEA) - Body ground Always 10 kohms or higher z1-12 (SGA) - Body ground Always 10 kohms or higher z1-11 (TEA) - z1-12 (SGA) Always 10 kohms or higher TEXT IN ILLUSTRATION *1 Air Conditioning Harness Assembly *a Front view of wire harness connector (to Air Conditioning Amplifier Assembly) *b Front view of wire harness connector (to No. 1 cooler thermistor) NG --> See step 7 OK --> See step 4
4. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE NO. 1 COOLER THERMISTOR. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S02465551862014022400000)
7. REPLACE AIR CONDITIONING HARNESS ASSEMBLY. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000)

1. READ VALUE USING TECHSTREAM (EMISSION GAS SENSOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Emission Gas Sensor Smog ventilation sensor / Min.: 0, Max.: 255 Displays concentration of exhaust gas (CO, HC) around smog ventilation sensor (increases when concentration of exhaust gas increases) - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 7 C --> See step 6 A: Go to next step
2. CHECK HARNESS AND CONNECTOR (SMOG VENTILATION SENSOR - BATTERY AND BODY GROUND) Disconnect the smog ventilation sensor connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition B14-3 (IG) - Body ground Power switch on (IG) 11 to 14 V B14-3 (IG) - Body ground Power switch off Below 1 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition B14-6 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Smog Ventilation Sensor) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (SMOG VENTILATION SENSOR - AIR CONDITIONING AMPLIFIER ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition B14-1 (SG) - N80-32 (SG-2) Always Below 1 ohms B14-2 (DGS) - N80-24 (DGS) Always Below 1 ohms B14-1 (SG) - Body ground Always 10 kohms or higher B14-2 (DGS) - Body ground Always 10 kohms or higher B14-1 (SG) - B14-2 (DGS) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
4. INSPECT SMOG VENTILATION SENSOR Remove the smog ventilation sensor. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S32782996242014022400000) . Inspect the smog ventilation sensor. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S17349852442014022400000) . NG --> See step 5 OK --> See step 6
5. REPLACE SMOG VENTILATION SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S32782996242014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)

1. READ VALUE USING TECHSTREAM (AIR MIX SERVO ACTUAL PULSE[P]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Mix Servo Actual Pulse(P) No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) actual pulse / Min.: 128, Max.: 383 MAX. COLD*1: 258 (pulse) MAX. HOT*2: 152 (pulse) - *1: Set temperature: LO *2: Set temperature: HI OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR MIX SERVO TARG PULSE[P]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Mix Servo Targ Pulse(P) No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) Min.: 128, Max.: 383 Operates between 152 to 258 pulses OK The No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 7
3. CHECK NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FRONT PASSENGER SIDE UPPER AIR MIX) Replace the No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1441/41 is not output. NG --> See step 4 OK --> END (NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [FRONT PASSENGER SIDE UPPER AIR MIX] WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1441/41 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (AIR INLET DAMPER ACTUAL PULSE) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Inlet Damper Actual Pulse No. 1 blower damper servo sub-assembly actual pulse / Min.: 128, Max.: 383 FRESH: 206 (pulse) RECIRCULATION: 238 (pulse) - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR INLET DAMPER TARG PULSE) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Inlet Damper Targ Pulse No. 1 blower damper servo sub-assembly pulse Min.: 128, Max.: 383 Operates between 206 to 238 pulses OK The No. 1 blower damper servo sub-assembly pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY Replace the No. 1 blower damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1442/42 is not output. NG --> See step 4 OK --> END (NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1442/42 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (AIR OUTLET SERVO ACTU PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Outlet Servo Actu Pulse(D) No. 6 air conditioning radiator damper servo sub-assembly actual pulse / Min.: 128, Max.: 383 FACE1: 254 (pulse) FACE2: 245 (pulse) FACE: 230 (pulse) B/L: 217 (pulse) B/L2: 209 (pulse) FOOT-0 (for save energy and airflow control function): 183 (pulse) FOOT-0 (except save energy and airflow control function): 199 (pulse) FOOT-D: 199 (pulse) FOOT-R (for save energy and airflow control function): 183 (pulse) FOOT-R (except save energy and airflow control function): 191 to 199 (pulse) FOOT-F (manual mode and for save energy and airflow control function): 183 (pulse) FOOT-F (manual mode and except save energy and airflow control function): 199 (pulse) FOOT-F (automatic mode): 183 (pulse) FOOT/DEF: 168 (pulse) DEF: 140 (pulse) - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR OUTLET SERVO PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Outlet Servo Pulse(D) No. 6 air conditioning radiator damper servo sub-assembly pulse Min.: 128, Max.: 383 Operates between 140 to 254 pulses OK The No. 6 radiator damper servo sub-assembly pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 6 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 6 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1443/43 is not output. NG --> See step 4 OK --> END (NO. 6 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1443/43 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (AIR MIX SERVO ACTUAL PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Mix Servo Actual Pulse(D) No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix) actual pulse / Min.: 128, Max.: 383 MAX. COLD*1: 254 (pulse) MAX. HOT*2: 360 (pulse) - *1: Set temperature: LO *2: Set temperature: HI OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR MIX SERVO TARG PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Mix Servo Targ Pulse(D) No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses OK The No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix) pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (DRIVER SIDE UPPER AIR MIX) Replace the No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1446/46 is not output. NG --> See step 4 OK --> END (NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (DRIVER SIDE UPPER AIR MIX) WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1446/46 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (AIR MIX SERVO ACTUAL PULSE[R]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Mix Servo Actual Pulse(R) No. 3 air conditioning damper servo sub-assembly (rear side air mix) actual pulse / Min.: 128, Max.: 383 MAX. COLD*1: 254 (pulse) MAX. HOT*2: 360 (pulse) - *1: Set temperature: LO *2: Set temperature: HI OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR MIX SERVO TARG PULSE[R]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Mix Servo Targ Pulse(R) No. 3 air conditioning damper servo sub-assembly (rear side air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses OK The No. 3 air conditioning damper servo sub-assembly (rear side air mix) pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (REAR SIDE AIR MIX) Replace the No. 3 air conditioning damper servo sub-assembly (rear side air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1447/47 is not output. NG --> See step 4 OK --> END (NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [REAR SIDE AIR MIX] WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1447/47 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (AIR OUTLET SERVO ACTU PULSE[P]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Outlet Servo Actu Pulse(P) No. 5 air conditioning radiator damper servo sub-assembly actual pulse / Min.: 128, Max.: 383 FACE1: 258 (pulse) FACE2: 267 (pulse) FACE: 282 (pulse) B/L: 295 (pulse) B/L2: 303 (pulse) FOOT-0 (for save energy and airflow control function): 329 (pulse) FOOT-0 (except save energy and airflow control function): 313 (pulse) FOOT-D: 313 (pulse) FOOT-R (for save energy and airflow control function): 329 (pulse) FOOT-R (except save energy and airflow control function): 313 to 321 (pulse) FOOT-F (manual mode and for save energy and airflow control function): 329 (pulse) FOOT-F (manual mode and except save energy and airflow control function): 313 (pulse) FOOT-F (automatic mode): 329 (pulse) FOOT/DEF: 344 (pulse) DEF: 372 (pulse) - OK The display is as specified in the Normal Condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR OUTLET SERVO PULSE[P]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Outlet Servo Pulse(P) No. 5 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 258 to 372 pulses OK The No. 5 air conditioning radiator damper servo sub-assembly pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 5 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 5 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1448/48 is not output. NG --> See step 4 OK --> END (NO. 5 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1448/48 is not output. NG --> See step 6 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (AIR OUTLET SERVO ACTUAL PLS[R]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Air Outlet Servo Actual Pls(R) No. 7 air conditioning radiator damper servo sub-assembly actual pulse / Min.: 128, Max.: 383 FACE1: 245 (pulse) FACE2: 242 (pulse) FACE: 242 (pulse) B/L1: 284 (pulse) B/L: 284 (pulse) B/L2: 303 (pulse) FOOT: 303 (pulse) FOOT/DEF: 333 (pulse) DEF: 353 (pulse) - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (AIR OUTLET SERVO PULSE[R]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Outlet Servo Pulse(R) No. 7 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 242 to 353 pulses OK The No. 7 air conditioning radiator damper servo sub-assembly pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 7 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 7 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1449/49 is not output. NG --> See step 4 OK --> END (NO. 7 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1449/49 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (COOL A/M SERVO ACTUAL PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note COOL A/M Servo Actual Pulse(D) No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix) actual pulse / Min.: 128, Max.: 383 MAX. COLD*1: 254 (pulse) MAX. HOT*2: 360 (pulse) - *1: Set temperature: LO *2: Set temperature: HI OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (COOL A/M SERVO PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Cool A/M Servo Pulse(D) No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses OK The No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix) pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 4 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (DRIVER SIDE LOWER AIR MIX) Replace the No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1453/53 is not output. NG --> See step 4 OK --> END (NO. 4 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [DRIVER SIDE LOWER AIR MIX] WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1453/53 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (COOL A/M SERVO ACTUAL PULSE[P]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note COOL A/M Servo Actual Pulse(P) No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) actual pulse / Min.: 128, Max.: 383 MAX. COLD*1: 254 (pulse) MAX. HOT*2: 360 (pulse) - *1: Set temperature: LO *2: Set temperature: HI OK The display is as specified in the Normal Condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (COOL A/M SERVO PULSE[P]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Cool A/M Servo Pulse(P) No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses OK The No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FRONT PASSENGER SIDE LOWER AIR MIX) Replace the No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1454/54 is not output. NG --> See step 4 OK --> END (NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [FRONT PASSENGER SIDE LOWER AIR MIX] WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1454/54 is not output. NG --> See step 6 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (A/O DAMPER DEF ACTUAL POS[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note A/O Damper DEF Actual Pos(D) No. 1 air conditioning radiator damper servo sub-assembly actual pulse / Min.: 128, Max.: 383 FACE1: 164 (pulse) FACE2: 164 (pulse) FACE: 164 (pulse) B/L (manual mode): 164 (pulse) B/L (automatic mode): 164 to 180 (pulse) B/L2: 164 (pulse) FOOT-0: 164 (pulse) FOOT-D: 180 (pulse) FOOT-R: 176 (pulse) FOOT (manual mode): 176 (pulse) FOOT (automatic mode): 176 to 186 (pulse) FOOT/DEF: 270 (pulse) DEF: 270 (pulse) - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A: Go to next step
2. PERFORM ACTIVE TEST USING TECHSTREAM (DEF A/O SERVO PULSE[D]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note DEF A/O Servo Pulse(D) No. 1 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 164 to 270 pulses OK The No. 1 air conditioning radiator damper servo sub-assembly pulse signal changes according to the target pulse specified by the Active Test. NG --> See step 3 OK --> See step 6
3. CHECK NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 1 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1455/55 is not output. NG --> See step 4 OK --> END (NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
4. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the air conditioning harness assembly cannot be inspected while it is removed from the vehicle, replace the air conditioning harness assembly with a new or known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1455/55 is not output. NG --> See step 7 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. READ VALUE USING TECHSTREAM (EMISSION GAS NOX SENSOR) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Emission Gas Nox Sensor Smog ventilation sensor / Min.: 0, Max.: 255 Displays concentration of exhaust gas (NOx) around smog ventilation sensor (increases when concentration of exhaust gas increases) - OK The display is as specified in the normal condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 7 C --> See step 6 A: Go to next step
2. CHECK HARNESS AND CONNECTOR (SMOG VENTILATION SENSOR - BATTERY AND BODY GROUND) Disconnect the smog ventilation sensor connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition B14-3 (IG) - Body ground Power switch on (IG) 11 to 14 V B14-3 (IG) - Body ground Power switch off Below 1 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition B14-6 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Smog Ventilation Sensor) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (SMOG VENTILATION SENSOR - AIR CONDITIONING AMPLIFIER ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition B14-1 (SG) - N80-32 (SG-2) Always Below 1 ohms B14-4 (DGS1) - N80-25 (DGS1) Always Below 1 ohms B14-1 (SG) - Body ground Always 10 kohms or higher B14-4 (DGS1) - Body ground Always 10 kohms or higher B14-1 (SG) - B14-4 (DGS1) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
4. INSPECT SMOG VENTILATION SENSOR Remove the smog ventilation sensor. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S32782996242014022400000) . Inspect the smog ventilation sensor. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S17349852442014022400000) . NG --> See step 5 OK --> See step 6
5. REPLACE SMOG VENTILATION SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S32782996242014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . Check the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1472/72 is not output. NG --> See step 2 OK --> See step 5
2. CHECK CAN COMMUNICATION SYSTEM Using the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 4 A --> See step 3
3. REPLACE COMPRESSOR WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000)
4. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)
5. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600412-S12576599882014022400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . Check the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1474/74 is not output NG --> See step 2 OK --> See step 5
2. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 3 A --> See step 4
3. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)
4. REPLACE COMPRESSOR WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000)
5. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600412-S12576599882014022400000)

1. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 9 A: Go to next step
2. CHECK COOLING FAN SYSTEM Check that the cooling fan system is functioning normally. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600600-S15003854122014022400000) . OK Cooling fan system is functioning normally NG --> See step 5 OK: Go to next step
3. CHECK REFRIGERANT PRESSURE Install a manifold gauge set. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S19636881282014022400000) . Turn the power switch on (Ready). Read the manifold gauge pressure when the following conditions are established. Prepare the vehicle according to the chart below. Item Condition Vehicle Doors Fully open Temperature Setting LO Blower Speed Hi A/C Switch On R/F Switch Recirculation Interior Temperature 30 to 35°C (86 to 95°F) Standard Pressure Low pressure side 147 to 245 kPa (1.5 to 2.5 kgf/cm 2 , 21 to 36 psi) High pressure side 1372 to 1569 kPa (14 to 16 kgf/cm 2 , 199 to 228 psi) NG --> See step 6 OK: Go to next step
4. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . Perform the maintenance mode. Refer to «INSPECTION MODE PROCEDURE [03/2012 - ]»(ref-600412-S34816019962014022400000) . HINT: The engine keeps idling. Prepare the vehicle according to the table below. Item Condition Temperature setting LO Blower speed Hi A/C switch On Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1475/75 is not output NOTE: If the engine keeps idling when ambient temperature is high, the compressor may automatically stop to protect the inverter circuit, and DTC B1475/75 may be stored. NG --> See step 7 OK --> See step 8
5. GO TO COOLING FAN SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600600-S39238616552014022400000)
6. CHARGE REFRIGERANT. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000)
7. REPLACE COMPRESSOR WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000)
8. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600412-S12576599882014022400000)
9. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)

1. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 7 A: Go to next step
2. CHECK COOLING FAN SYSTEM Check that the cooling fan system is functioning normally. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600600-S15003854122014022400000) . OK Cooling fan system is functioning normally NG --> See step 4 OK: Go to next step
3. CHECK REFRIGERANT PRESSURE Install a manifold gauge set. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S19636881282014022400000) . Turn the power switch on (Ready). Read the manifold gauge pressure when the following conditions are established. Prepare the vehicle according to the chart below. Item Condition Vehicle Doors Fully open Temperature Setting LO Blower Speed Hi A/C Switch On R/F Switch Recirculation Interior Temperature 30 to 35°C (86 to 95°F) Standard Pressure Low pressure side 147 to 245 kPa (1.5 to 2.5 kgf/cm 2 , 21 to 36 psi) High pressure side 1372 to 1569 kPa (14 to 16 kgf/cm 2 , 199 to 228 psi) NG --> See step 5 OK --> See step 6
4. GO TO COOLING FAN SYSTEM. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600600-S39238616552014022400000)
5. CHARGE REFRIGERANT. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000)
6. REPLACE COMPRESSOR WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000)
7. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)

1. CHECK FOR DTC Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . Check the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1477/77 is not output NG --> See step 2 OK --> See step 5
2. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 4 A --> See step 3
3. REPLACE COMPRESSOR WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000)
4. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)
5. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600412-S12576599882014022400000)

1. PERFORM ACTIVE TEST USING TECHSTREAM Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Air Mix Servo Targ Pulse(D) No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix) Min.: 128, Max.: 383 Operates between 152 to 258 pulses Air Mix Servo Targ Pulse(P) No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses Air Outlet Servo Pulse(D) No. 6 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 140 to 254 pulses Air Outlet Servo Pulse(P) No. 5 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 258 to 372 pulses Air Inlet Damper Targ Pulse No. 1 blower damper servo sub-assembly Min.: 128, Max.: 383 Operates between 206 to 238 pulses Cool A/M Servo Pulse(D) No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses Cool A/M Servo Pulse(P) No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses A/O Servo Pulse(Rr D) No. 7 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 242 to 353 pulses Rear Air Mix Servo Targ Pulse No. 3 air conditioning radiator damper servo sub-assembly (rear air mix) Min.: 128, Max.: 383 Operates between 254 to 360 pulses DEF A/O Servo Pulse(D) No. 1 air conditioning radiator damper servo sub-assembly Min.: 128, Max.: 383 Operates between 164 to 270 pulses OK Damper servo motors signal changes according to the target pulse specified by the Active Test. According to the test result, proceed to the next step. RESULT Result Proceed to One of the damper servo motors is malfunctioning (air mix damper servo motor) A One of the damper servo motors is malfunctioning (air outlet damper servo motor) B Only the No. 1 blower damper servo sub-assembly is malfunctioning C All of the damper servo motors are malfunctioning D B --> See step 8 C --> See step 13 D --> See step 14 A: Go to next step
2. SYSTEM CHECK According to the test result, proceed to the next step. RESULT Result Proceed to Only the No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix) is malfunctioning A Only the No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) is malfunctioning B Only the No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) is malfunctioning C Only the No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix) is malfunctioning D Only the No. 3 air conditioning radiator damper servo sub-assembly (rear air mix) is malfunctioning E B --> See step 4 C --> See step 5 D --> See step 6 E --> See step 7 A: Go to next step
3. CHECK NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (DRIVER SIDE UPPER AIR MIX) Replace the No. 2 air conditioning radiator damper servo sub-assembly (driver side upper air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (DRIVER SIDE UPPER AIR MIX) WAS DEFECTIVE)
4. CHECK NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FRONT PASSENGER SIDE UPPER AIR MIX) Replace the No. 2 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FRONT PASSENGER SIDE UPPER AIR MIX) WAS DEFECTIVE)
5. CHECK NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (FRONT PASSENGER SIDE LOWER AIR MIX) Replace the No. 3 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [FRONT PASSENGER SIDE LOWER AIR MIX] WAS DEFECTIVE)
6. CHECK NO. 4 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (DRIVER SIDE LOWER AIR MIX) Replace the No. 4 air conditioning radiator damper servo sub-assembly (driver side lower air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 4 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [DRIVER SIDE LOWER AIR MIX] WAS DEFECTIVE)
7. CHECK NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (REAR SIDE AIR MIX) Replace the No. 3 air conditioning radiator damper servo sub-assembly (rear air mix). Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY [REAR SIDE AIR MIX] WAS DEFECTIVE)
8. SYSTEM CHECK According to the test result, proceed to the next step. RESULT Result Proceed to Only the No. 1 air conditioning radiator damper servo sub-assembly is malfunctioning A Only the No. 6 air conditioning radiator damper servo sub-assembly is malfunctioning B Only the No. 5 air conditioning radiator damper servo sub-assembly is malfunctioning (w/ Rear Control Switch) C Only the No. 7 air conditioning radiator damper servo sub-assembly is malfunctioning D B --> See step 10 C --> See step 11 D --> See step 12 A: Go to next step
9. CHECK NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 1 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
10. CHECK NO. 5 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 5 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 5 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
11. CHECK NO. 6 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 6 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 6 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
12. CHECK NO. 7 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY Replace the No. 7 air conditioning radiator damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 7 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
13. CHECK NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY Replace the No. 1 blower damper servo sub-assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 14 OK --> END (NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY WAS DEFECTIVE)
14. CHECK AIR CONDITIONING HARNESS ASSEMBLY Replace the air conditioning harness assembly. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Since the servo motor cannot be inspected while it is removed from the vehicle, replace the servo motor with a new or a known good one and check that the condition returns to normal. Check for DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1497/97 is not output NG --> See step 15 OK --> END (AIR CONDITIONING HARNESS ASSEMBLY WAS DEFECTIVE)
15. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) Disconnect the air conditioning amplifier assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition N78-6 (+B1) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *a Rear view of harness connector (to Air Conditioning Amplifier Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 16
16. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 10 A: Go to next step
2. CHECK HYBRID CONTROL SYSTEM Check if DTCs for the hybrid control system are output using the Techstream. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600583-S31071724722014022400000) . RESULT Result Proceed to Hybrid control system DTC is not output A Hybrid control system DTC is output B B --> See step 8 A: Go to next step
3. CHECK HARNESS AND CONNECTOR (COMPRESSOR WITH MOTOR ASSEMBLY - BATTERY AND BODY GROUND) WARNING: Do not disconnect the connector on the high voltage side. Disconnect the compressor with motor assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F16-5 (GND) - Body ground Always Below 1 ohms Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition F16-6 (IG1) - F16-5 (GND) Power switch on (IG) 11 to 14 V F16-6 (IG1) - F16-5 (GND) Power switch off Below 1 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Compressor with Motor Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
4. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - COMPRESSOR WITH MOTOR) Disconnect the A36 power management control ECU connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition F16-1 (CLK) - A36-16 (CLK) Always Below 1 ohms F16-2 (DIN) - A36-17 (ITE) Always Below 1 ohms F16-3 (DOUT) - A36-18 (ETI) Always Below 1 ohms F16-1 (CLK) - Body ground Always 10 kohms or higher F16-2 (DIN) - Body ground Always 10 kohms or higher F16-3 (DOUT) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
5. CHECK HIGH VOLTAGE FUSE WARNING: Be sure to wear insulated gloves. Check that the service plug grip is not installed. Refer to «REMOVAL [03/2012 - ]»(ref-600413-S04919884022014022400000) . NOTE: After removing the service plug grip, do not turn the power switch on (Ready), unless instructed by the appropriate service information because this may cause a malfunction. Remove the connector cover assembly from the inverter with converter assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600413-S32974348392014022400000) . HINT: Make sure that no foreign objects have entered or contaminated the inverter with converter assembly. Disconnect the connector of the air conditioning harness from the inverter with converter assembly. HINT: Make sure that no foreign objects have entered or contaminated the connector of the air conditioning harness. Disconnect the connector of the No. 4 floor wire from the inverter with converter assembly. HINT: Make sure that no foreign objects have entered or contaminated the connector of the No. 4 floor wire. Check that bolts A and B are tightened securely. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Item (Tester Connection) Condition Specified Condition High voltage fuse (A - B) Always Below 1 ohms TEXT IN ILLUSTRATION *1 High Voltage Fuse NG --> See step 11 OK: Go to next step
6. CHECK AIR CONDITIONING HARNESS WARNING: Be sure to wear insulated gloves. Check that the service plug grip is not installed. Refer to «REMOVAL [03/2012 - ]»(ref-600413-S04919884022014022400000) . NOTE: After removing the service plug grip, do not turn the power switch on (Ready), unless instructed by the appropriate service information because this may cause a malfunction. Remove the air conditioning harness. Refer to «REMOVAL [03/2012 - ]»(ref-600587-S35960655032014022400000) . HINT: Make sure that no foreign objects have entered or contaminated the inverter with converter assembly. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition V-1 (PE) - V3-1 (ACPE) Always Below 1 ohms V1-2 (PB) - V3-2 (ACPB) Always Below 1 ohms V-1 (PE) - Body ground Always 10 kohms or higher V1-2 (PB) - Body ground Always 10 kohms or higher V-1 (PE) - V1-2 (PB) Always 10 kohms or higher NG --> See step 12 OK: Go to next step
7. CHECK COMPRESSOR WITH MOTOR ASSEMBLY Replace the compressor with motor assembly with a new or normally functioning one. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000) . Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . Check for the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . OK DTC B1498/98 is not output. NG --> See step 9 OK --> END (COMPRESSOR WITH MOTOR ASSEMBLY WAS DEFECTIVE)
8. GO TO HYBRID CONTROL SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600583-S29316758402014022400000)
9. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to «REMOVAL [03/2012 - ]»(ref-600595-S22014970062014022400000)
10. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)
11. REPLACE HIGH VOLTAGE FUSE. Refer to «REMOVAL [03/2012 - ]»(ref-600413-S32974348392014022400000)
12. REPLACE AIR CONDITIONING HARNESS. Refer to «REMOVAL [03/2012 - ]»(ref-600587-S35960655032014022400000)

Scheme 247

The automatic light control sensor is installed on the upper side of the instrument panel. It detects sunlight to control air conditioning AUTO mode. The output voltage from the automatic light control sensor varies in accordance with the amount of sunlight. When the sunlight increases, the output voltage increases. As the sunlight decreases, the output voltage decreases. The air conditioning amplifier assembly detects changes in the output voltage from the automatic light control sensor.

Scheme 248

1. READ VALUE USING TECHSTREAM (SOLAR SENSOR [P SIDE]) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Solar Sensor (P Side) Front passenger side automatic light control sensor / Min.: 0, Max.: 255 Front passenger side automatic light control sensor value increases as brightness increases - OK The display is as specified in the Normal Condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 6 C --> See step 7 A: Go to next step
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) Disconnect the automatic light control sensor connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition O1-6 (CLTB) - O1-3 (CLTE) Power switch off Below 1 V O1-6 (CLTB) - O1-3 (CLTE) Power switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Automatic Light Control Sensor) NG --> See step 5 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (AUTOMATIC LIGHT CONTROL SENSOR - AIR CONDITIONING AMPLIFIER ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N80-8 (TSP) - O1-2 (TSR) Always Below 1 ohms N80-8 (TSP) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
4. INSPECT AUTOMATIC LIGHT CONTROL SENSOR Inspect the automatic light control sensor. Refer to on-vehicle inspection procedure. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S23127525382014022400000) . NG --> See step 8 OK --> See step 7
5. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - AUTOMATIC LIGHT CONTROL SENSOR) Disconnect the N12 main body ECU (multiplex network body ECU) connector. Disconnect the O1 automatic light control sensor connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N12-20 (CLTB) - O1-6 (CLTB) Always Below 1 ohms N12-22 (CLTE) - O1-3 (CLTE) Always Below 1 ohms N12-20 (CLTB) - Body ground Always 10 kohms or higher N12-22 (CLTE) - Body ground Always 10 kohms or higher N12-20 (CLTB) - N12-22 (CLTE) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 9
6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
7. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
8. REPLACE AUTOMATIC LIGHT CONTROL SENSOR. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S00132522392014022400000)
9. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to «REMOVAL [03/2012 - ]»(ref-600595-S12145438012014022400000)

1. READ VALUE USING TECHSTREAM (GLASS TEMPERATURE) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Glass Temperature Glass temperature/ Min.: -327.68°C (-557.82°F) Max.: 327.67°C (621.81°F) Actual glass temperature displayed - OK The display is as specified in the Normal Condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 6 C --> See step 4 A: Go to next step
2. INSPECT AIR CONDITIONING THERMISTOR ASSEMBLY Remove the air conditioning thermistor assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S27200687962014022400000) . Inspect the air conditioning thermistor assembly. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S05417141032014022400000) . NG --> See step 5 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - AIR CONDITIONING THERMISTOR ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Y6-4 (TFG) - N80-22 (TFG) Always Below 1 ohms Y6-1 (SEG3) - N80-33 (SG-5) Always Below 1 ohms Y6-4 (TFG) - Body ground Always 10 kohms or higher Y6-1 (SEG3) - Body ground Always 10 kohms or higher Y6-4 (TFG) - Y6-1 (SEG3) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 4
4. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
5. REPLACE AIR CONDITIONING THERMISTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S27200687962014022400000)
6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)

1. READ VALUE USING TECHSTREAM (GLASS SURROUNDINGS TEMPERATURE) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Glass Surroundings Temperature Glass surroundings temperature/ Min.: -327.68°C (-557.82°F) Max.: 327.67°C (621.81°F) Actual glass surroundings temperature displayed - OK The display is as specified in the Normal Condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 6 C --> See step 4 A: Go to next step
2. INSPECT AIR CONDITIONING THERMISTOR ASSEMBLY Remove the air conditioning thermistor assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S27200687962014022400000) . Inspect the air conditioning thermistor assembly. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S05417141032014022400000) . NG --> See step 5 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - AIR CONDITIONING THERMISTOR ASSEMBLY) Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Y6-2 (TNG) - N80-21 (TNG) Always Below 1 ohms Y6-1 (SEG3) - N80-33 (SG-5) Always Below 1 ohms Y6-2 (TNG) - Body ground Always 10 kohms or higher Y6-1 (SEG3) - Body ground Always 10 kohms or higher Y6-2 (TNG) - Y6-1 (SEG3) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 4
4. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
5. REPLACE AIR CONDITIONING THERMISTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S27200687962014022400000)
6. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)

1. READ VALUE USING TECHSTREAM (GLASS HUMIDITY) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the value(s) by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Normal Condition Diagnostic Note Glass Humidity Glass humidity/ Min.: 0%, Max.: 100% Actual glass humidity displayed - OK The display is as specified in the Normal Condition column. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 7 C --> See step 5 A: Go to next step
2. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - AIR CONDITIONING THERMISTOR ASSEMBLY) Disconnect the Y6 air conditioning thermistor assembly connector. Disconnect the N80 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Y6-5 (S5V) - N80-5 (S5-1) Always Below 1 ohms Y6-3 (RH) - N80-23 (RH) Always Below 1 ohms Y6-1 (SEG3) - N80-33 (SG-5) Always Below 1 ohms Y6-5 (S5V) - Body ground Always 10 kohms or higher Y6-3 (RH) - Body ground Always 10 kohms or higher Y6-1 (SEG3) - Body ground Always 10 kohms or higher Y6-5 (S5V) - Y6-1 (SEG3) Always 10 kohms or higher Y6-3 (RH) - Y6-1 (SEG3) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY Reconnect the N80 air conditioning amplifier assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition Y6-5 (S5V) - Body ground Power switch on (IG) 4.75 to 5.25 V Y6-5 (S5V) - Body ground Power switch off Below 1 V Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Y6-1 (SEG3) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Air Conditioning Thermistor Assembly) NG --> See step 5 OK: Go to next step
4. INSPECT AIR CONDITIONING THERMISTOR ASSEMBLY Remove the air conditioning thermistor assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S27200687962014022400000) . Inspect the air conditioning thermistor assembly. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S05417141032014022400000) . NG --> See step 6 OK --> See step 5
5. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
6. REPLACE AIR CONDITIONING THERMISTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S27200687962014022400000)
7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)

1. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - BATTERY) Disconnect the Z1 rear control switch connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition Z1-7 (IG+) - Body ground Power switch off Below 1 V Z1-7 (IG+) - Body ground Power switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Rear Control Switch) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
2. CHECK HARNESS AND CONNECTOR (REAR CONTROL SWITCH - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-5 (E) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Rear Control Switch) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - REAR CONTROL SWITCH) Disconnect the N78 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-9 (RLIN) - N78-21 (RLIN) Always Below 1 ohms Z1-9 (RLIN) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
4. CHECK REAR CONTROL SWITCH Replace the rear control switch with new or normally functioning one. Refer to «REMOVAL [03/2012 - ]»(ref-600608-S40215776662014022400000) . Check that the rear control switch operation returns to normal. OK rear control switch operation returns to normal. RESULT Result Proceed to NG A OK (When troubleshooting according to Problem Symptoms Table) B OK (When troubleshooting according to the DTC) C B --> See step 5 C --> See step 6 A --> END (REAR CONTROL SWITCH WAS DEFECTIVE)
5. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. CHECK FOR AIR CONDITIONING SYSTEM LEAK Install a manifold gauge set. Recover the refrigerant from the air conditioning system using a refrigerant recovery unit. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S19636881282014022400000) . Evacuate the air conditioning system and check that vacuum can be maintained in it. OK Vacuum can be maintained in the air conditioning system. HINT: If vacuum cannot be maintained in the air conditioning system, refrigerant may be leaking from it. In this case, it is necessary to repair or replace the leaking part of the air conditioning system. NG --> See step 7 OK: Go to next step
2. CHARGE SYSTEM WITH REFRIGERANT Add an appropriate amount of refrigerant. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000) . NEXT: Go to next step
3. CHECK FOR DTC Turn the power switch on (Ready). Check for DTCs when the following conditions are met. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . MEASUREMENT CONDITION Item Condition A/C Switch On A/C operation time 15 minutes or more Ambient temperature* 0 to 49°C (32 to 120°F) Engine coolant temperature 45°C (113°F) or more HINT: If the air conditioning amplifier assembly determines that the amount of refrigerant is insufficient, it may stop air conditioning system operation after 11 minutes elapse to avoid compressor burnout. *: If the ambient temperature is not within the range shown, do not perform this check. OK DTC B14B8 is not output NG --> See step 4 OK --> END (AMOUNT OF REFRIGERANT WAS DEFECTIVE)
4. REPLACE COOLER EXPANSION VALVE Replace the cooler expansion valve with a new or known good one. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Replace the cooler expansion valve with a new or known good one because the cooler expansion valve is either stuck or clogged. NEXT: Go to next step
5. CHARGE SYSTEM WITH REFRIGERANT Add an appropriate amount of refrigerant. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000) . NEXT: Go to next step
6. CHECK FOR DTC Turn the power switch on (Ready). Check for DTCs when the following conditions are met. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . MEASUREMENT CONDITION Item Condition A/C Switch On A/C operation time 15 minutes or more Ambient temperature* 0 to 49°C (32 to 120°F) Engine coolant temperature 45°C (113°F) or more HINT: If the air conditioning amplifier assembly determines that the amount of refrigerant is insufficient, it may stop air conditioning system operation after 11 minutes elapse to avoid compressor burnout. *: If the ambient temperature is not within the range shown, do not perform this check. OK DTC B14B8 is not output NG --> See step 14 OK --> END (COOLER EXPANSION VALVE WAS DEFECTIVE)
7. REPAIR AIR CONDITIONING SYSTEM LEAK Identify the area where refrigerant leaks. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000) . Repair the identified area of the air conditioning system. Evacuate the air conditioning system. NEXT: Go to next step
8. CHARGE SYSTEM WITH REFRIGERANT Add an appropriate amount of refrigerant. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000) . NEXT: Go to next step
9. CHECK FOR DTC Turn the power switch on (Ready). Check for DTCs when the following conditions are met. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . MEASUREMENT CONDITION Item Condition A/C Switch On A/C operation time 15 minutes or more Ambient temperature* 0 to 49°C (32 to 120°F) Engine coolant temperature 45°C (113°F) or more HINT: If the air conditioning amplifier assembly determines that the amount of refrigerant is insufficient, it may stop air conditioning system operation after 11 minutes elapse to avoid compressor burnout. *: If the ambient temperature is not within the range shown, do not perform this check. OK DTC B14B8 is not output NG --> See step 10 OK --> END (REFRIGERANT PIPE LINE WAS DEFECTIVE)
10. REPLACE COOLER EXPANSION VALVE Replace the cooler expansion valve with a new or known good one. Refer to «DISASSEMBLY [03/2012 - ]»(ref-600577-S35351757682014022400000) . HINT: Replace the cooler expansion valve with a new or known good one because the cooler expansion valve is either stuck or clogged. NEXT: Go to next step
11. CHARGE SYSTEM WITH REFRIGERANT Add an appropriate amount of refrigerant. Refer to «REPLACEMENT [03/2012 - ]»(ref-600577-S31273849072014022400000) . NEXT: Go to next step
12. CHECK FOR DTC Turn the power switch on (Ready). Check for DTCs when the following conditions are met. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . MEASUREMENT CONDITION Item Condition A/C Switch On A/C operation time 15 minutes or more Ambient temperature* 0 to 49°C (32 to 120°F) Engine coolant temperature 45°C (113°F) or more HINT: If the air conditioning amplifier assembly determines that the amount of refrigerant is insufficient, it may stop air conditioning system operation after 11 minutes elapse to avoid compressor burnout. *: If the ambient temperature is not within the range shown, do not perform this check. OK DTC B14B8 is not output NG --> See step 13 OK --> END (COOLER EXPANSION VALVE WAS DEFECTIVE)
13. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
14. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S19636881282014022400000)

1. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 5 A: Go to next step
2. INSPECT COMPRESSOR WITH MOTOR ASSEMBLY WARNING: Be sure to wear insulated gloves. Clear the DTCs. Refer to «DTC CHECK / CLEAR [03/2012 - ]»(ref-600428-S10848817492014022400000) . Turn the power switch on (Ready). Prepare the vehicle according to the table below for 3 minutes. Item Condition Blower Speed Hi Temperature Setting LO A/C Switch On Turn the power switch off. Remove the service plug grip. Refer to «REMOVAL [03/2012 - ]»(ref-600413-S04919884022014022400000) . WARNING: Do not touch the high voltage connectors or terminals for 10 minutes after the service plug grip is removed. NOTE: After removing the service plug grip, turning the power switch on (Ready) may cause a malfunction. Do not turn the power switch on (Ready) with the service plug grip removed. Disconnect the V1 compressor with motor assembly connector. Using a megohmmeter, measure the resistance according to the value(s) in the table below. WARNING: Be sure to set the megohmmeter to 500 V when performing this test. Using a setting higher than 500 V can result in damage to the component being inspected. Standard Resistance Tester Connection Condition Specified Condition 1 (PE) - Body ground Always 2 Mohms or higher 2 (PB) - Body ground Always 2 Mohms or higher NG --> See step 4 OK: Go to next step
3. INSPECT COMPRESSOR WITH MOTOR ASSEMBLY WARNING: Be sure to wear insulated gloves. Reconnect the V1 connector to the compressor with motor assembly. Install the service plug grip. Refer to «INSTALLATION [03/2012 - ]»(ref-600413-S30148762022014022400000) . Turn the power switch on (Ready). Prepare the vehicle according to the table below for 10 minutes. Item Condition Blower Speed Lo Temperature Setting 25°C (77°F) A/C Switch On Turn the power switch off. Using a spot cooler or other tools, cool down the compressor with motor assembly for 30 minutes, or leave the vehicle overnight before inspection. NOTE: Do not operate the compressor before inspection. Remove the service plug grip. Refer to «REMOVAL [03/2012 - ]»(ref-600413-S04919884022014022400000) . WARNING: Do not touch the high voltage connectors or terminals for 10 minutes after the service plug grip is removed. NOTE: After removing the service plug grip, turning the power switch on (Ready) may cause a malfunction. Do not turn the power switch on (Ready) with the service plug grip removed. Disconnect the V1 compressor with motor assembly connector. Using a megohmmeter, measure the resistance according to the value(s) in the table below. WARNING: Be sure to set the megohmmeter to 500 V when performing this test. Using a setting higher than 500 V can result in damage to the component being inspected. Standard Resistance Tester Connection Condition Specified Condition 1 (PE) - Body ground Always 3 Mohms or higher 2 (PB) - Body ground Always 3 Mohms or higher NOTE: If the results are out of the specified range, replace the compressor without operating it. NG --> REPLACE AIR CONDITIONING CYCLE OK --> See step 4
4. REPLACE COMPRESSOR WITH MOTOR ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S14402485382014022400000)
5. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)

1. CHECK CAN COMMUNICATION SYSTEM Use the Techstream to check if the CAN communication system is functioning normally. Refer to «DIAGNOSIS SYSTEM [03/2012 - ]»(ref-600620-S06280412312014022400000) . RESULT Result Proceed to CAN DTC is not output A CAN DTC is output B B --> See step 3 A --> See step 2
2. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600412-S12576599882014022400000)
3. GO TO CAN COMMUNICATION SYSTEM. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]»(ref-600588-S38298476802014022400000)

1. PERFORM ACTIVE TEST USING TECHSTREAM (HEATER ACTIVE LEVEL) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Active Test. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the operation by referring to the table below. AIR CONDITIONER Tester Display Test Part Control Range Diagnostic Note Heater Active Level Quick heater assembly Min.: 0, Max.: 2 - OK Heater Active Level changes normally. NG --> See step 2 OK --> See step 7
2. INSPECT PTC HEATER RELAY (PTC NO. 1, PTC NO. 2) Remove the PTC heater relays. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S30878794222014022400000) . Inspect the PTC heater relays. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S30878794222014022400000) . NG --> See step 9 OK: Go to next step
3. CHECK HARNESS AND CONNECTOR (PTC HEATER RELAY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BATTERY) Disconnect the N78 air conditioning amplifier assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage PTC NO. 1 Tester Connection Condition Specified Condition 5 - Body ground Always 11 to 14 V 2 - Body ground Power switch on (IG) 11 to 14 V 2 - Body ground Power switch off Below 1 V PTC NO. 2 Tester Connection Condition Specified Condition 5 - Body ground Always 11 to 14 V 1 - Body ground Power switch on (IG) 11 to 14 V 1 - Body ground Power switch off Below 1 V Measure the resistance according to the value(s) in the table below. Standard Resistance PTC NO. 1 Tester Connection Condition Specified Condition 1 - N78-8 (PTC1) Always Below 1 ohms 1 - Body ground Always 10 kohms or higher PTC NO. 2 Tester Connection Condition Specified Condition 2 - N78-26 (PTC2) Always Below 1 ohms 2 - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
4. CHECK HARNESS AND CONNECTOR (QUICK HEATER ASSEMBLY - PTC HEATER RELAY AND BODY GROUND) Disconnect the N76 and N77 quick heater assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance PTC NO. 1 Tester Connection Condition Specified Condition N76-2 (B) - 3 Always Below 1 ohms N76-1 (E) - Body ground Always Below 1 ohms N76-2 (B) - Body ground Always 10 kohms or higher PTC NO. 2 Tester Connection Condition Specified Condition N77-2 (B) - 3 Always Below 1 ohms N77-1 (E) - Body ground Always Below 1 ohms N77-2 (B) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
5. INSPECT QUICK HEATER ASSEMBLY Remove the quick heater assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S06945941722014022400000) . Inspect the quick heater assembly. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S29086694432014022400000) . NG --> See step 8 OK --> See step 6
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)
7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)
8. REPLACE QUICK HEATER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S06945941722014022400000)
9. REPLACE PTC HEATER RELAY. Refer to «ON-VEHICLE INSPECTION [03/2012 - ]»(ref-600577-S30878794222014022400000)

1. READ VALUE USING TECHSTREAM (ECO SWITCH) Connect the Techstream to the DLC3. Turn the power switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Air Conditioner / Data List. Refer to «DATA LIST / ACTIVE TEST [03/2012 - ]»(ref-600428-S08067317772014022400000) . Check the values by referring to the table below. AIR CONDITIONER Tester Display Measurement Item/Range Control Range Diagnostic Note ECO Switch Combination switch assembly / OFF or ON ON: Combination switch assembly being turned and held at ECO position OFF: Combination switch assembly not turned - OK The combination switch assembly condition displayed on the Techstream changes with the actual switch operation. NG --> See step 2 OK --> See step 6
2. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH ASSEMBLY - AIR CONDITIONING AMPLIFIER ASSEMBLY AND BODY GROUND) Disconnect the N59 combination switch assembly connector. Disconnect the N78 air conditioning amplifier assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N59-8 (ECU) - N78-29 (ECOS) Always Below 1 ohms N59-4 (GND) - Body ground Always Below 1 ohms N59-8 (ECU) - Body ground Always 10 kohms or higher N59-8 (ECU) - N59-4 (GND) Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
3. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY Reconnect the N78 air conditioning amplifier assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Switch Condition Specified Condition N59-8 (ECU) - Body ground Power switch off Below 1 V N59-8 (ECU) - Body ground Power switch on (IG) 11 to 14 V TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Combination Switch Assembly) NG --> See step 6 OK: Go to next step
4. INSPECT COMBINATION SWITCH ASSEMBLY Remove the combination switch assembly. Refer to «REMOVAL [03/2012 - ]»(ref-600573-S08108388722014022400000) . Inspect the combination switch assembly. Refer to «INSPECTION [03/2012 - ]»(ref-600577-S26797762472014022400000) . NG --> See step 5 OK --> See step 6
5. REPLACE COMBINATION SWITCH ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600573-S08108388722014022400000)
6. REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to «REMOVAL [03/2012 - ]»(ref-600577-S08880567162014022400000)

1. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BATTERY) Disconnect the air conditioning amplifier assembly connector. Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition N78-6 (+B1) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION *a Rear view of wire harness connector (to Air Conditioning Amplifier Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
2. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BODY GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition N78-1 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Rear view of wire harness connector (to Air Conditioning Amplifier Assembly) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK --> See step 3
3. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to «PROBLEM SYMPTOMS TABLE [03/2012 - ]»(ref-600428-S12585308122014022400000)