DTC Detecting Condition
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Power connection of connected part Open in signal circuit (Feedback circuit), Power circuit or Ground Circuit Faulty passenger air mix actuator Faulty A/C control unit |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal has been detected open or below 0.1V for 0.3 seconds | |
| Failsafe | Setting temperature : 16°C (62.6°F)-24°C (76.1°F) fix at max. cooling position setting temperature : 25°C (77°F)-31°C (89.6°F) fix at max. heating position |
B1204 AIR MIX POTENTIOMETER OPEN (LOW)-PASSENGER
Terminal and Connector Inspection
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S01806188052009102300000) " procedure NO Go to W/Harness Inspection procedure W/Harness Inspection procedure.
B1205 AIR MIX POTENTIOMETER SHORT (HIGH)-PASSENGER
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short to battery in signal (Feed-back) circuit Faulty passenger air mix actuator Faulty A/C control unit |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback circuit has been detected over 4.9V for 0.3 seconds | |
| Failsafe | Setting temperature : 16°C (62.6°F)-24°C (76.1°F) fix at max. cooling position setting temperature : 25°C (77°F)-31°C (89.6°F) fix at max. heating position |
Check Actuation Test
- Connect scantool with diagnostic connector.
- Warm up the engine to normal temperature after engine start
- Select "Air Mix Door Potentiometer-Passenger" parameter on the current data with scantool
- Perform Actuation Test for "Passenger Air Mix Door -0%/50%/100%.
- With performing Actuation test, check that the value of Air Mix Door Potentiometer is changed and close to the value of Actuation Test. Specification: Check that the value of Air Mix Door Potentiometer at current data should be close to the value of the actuation test.
- Does the value of current data follow in accordance with the each actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S01806188052009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S01806188052009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor connection of connected part Open circuit in signal/power harness Short circuit in signal/power harness Faulty Intake potentiometer |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback circuit has been detected open or below 0.1V for 0.3 seconds | |
| Failsafe | Setting mode : REC Fix at REC position Setting mode : Except REC Fix at FRE position |
B1208 INTAKE POTENTIOMETER OPEN (LOW)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S11245013762009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short to battery in signal (Feed-back) circuit Open in ground circuit Faulty Intake Actuator Faulty Air Conditioner Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback circuit has been detected over 4.9V for 0.3 seconds | |
| Failsafe | Intake Actuator is moved and fixed at FRE position if FRE is selected or REC position if REC is selected. |
B1209 INTAKE POTENTIOMETER SHORT (HIGH)
- Connect scantool with diagnostic connector.
- Warm up the engine to normal temperature after engine start
- Select "Intake Potentiometer" parameter on the current data with scantool
- Perform Actuation Test for Air Inlet Mode Selection - Recirculation/Fresh in order.
- With performing Actuation test, check that the value of each position sensors are changing. Specification: Recirculation : About 90%, Fresh : About 10%.
- Are the value of each position sensors changed when performing actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S00011278182009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S00011278182009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short circuit in harness Faulty incar temp.sensor Faulty A/C Control Unit |
| Enable Conditions | IG KEY ON | |
| Threshold value | Incar temperature sensor has been detected 0.1V for 0.3 seconds | |
| Failsafe | Control with the value of 25°C (77°F) |
B1233 IN-CAR TEMPERATURE SENSOR SHORT (LOW)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S20472857552009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor connection in wire harness Open in signal circuit Short to battery in signal circuit Faulty Incar temperature sensor Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Incar temperature sensor has been detected over 4.9V for 0.3 seconds. | |
| Failsafe | Control with the value of 25°C (77°F) |
B1234 IN-CAR TEMPERATURE SENSOR OPEN (HIGH)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S26298915932009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short in signal circuit Faulty Ambient Sensor Faulty A/C control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Ambient sensor has been detected 0.1V for 0.3 seconds. | |
| Failsafe | Displayed '-' and A/C control Module regards and controls it as 20°C (68°F) |
B1237 AMBIENT TEMPERATURE SENSOR SHORT (LOW)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S25189622202009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in harness Open in signal circuit Short to battery in signal circuit Faulty Ambient Temperature sensor Faulty air conditioner control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Ambient Temperature sensor has been detected over 4.9V for 0.3 seconds | |
| Failsafe | Displayed '--' and A/C control Module regards and controls it as 20°C (68°F) |
B1238 AMBIENT TEMPERATURE SENSOR OPEN (HIGH)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S18287490742009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short circuit in harness Faulty Evaporator sensor Faulty A/C Control Unit |
| Enable Conditions | IG KEY ON | |
| Threshold value | Evaporator sensor has been detected below 01.V for 0.3 seconds. | |
| Failsafe | Control with the value of -2°C (28.4°F) |
B1241 EVAPORATOR SENSOR SHORT (LOW)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S36629718942009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Open in signal circuit Short to battery in signal circuit Faulty Evaporator sensor Faulty Air conditioner control Unit |
| Enable Conditions | IG KEY ON | |
| Threshold value | Evaporator sensor has been detected over 4.9V for 0.3 seconds | |
| Failsafe | Control with the value of -2°C (28.4°F) |
B1242 EVAPORATOR SENSOR OPEN (HIGH)
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S38968510302009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in harness Open in signal (Feedback signal), power and ground circuit Faulty Driver Temperature Actuator Faulty Air condition Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal of Driver Temperature Actuator has been detected open or below 0.1V for 0.3 seconds | |
| Failsafe | Setting temperature : 16°C (62.6°F)-24°C (76.1°F), fix at max. cooling position Setting temperature : 25°C (77°F)-31°C (89.6°F), fix at max. heating position |
B1245 AIR MIX POTENTIOMETER OPEN (LOW)-DRIVER
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S42867259662009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short to battery in signal circuit (Feedback signal) Faulty Driver temperature Actuator Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal of Driver Temperature Actuator has been detected over 4.9V for 0.3 seconds | |
| Failsafe | If the Driver set temperature is below 24°C (76.1°F) right before fail detection, Actuator is operated and fixed to Cool Position. Actuator is operated and fixed to Warm Position if set temperature is over 25°C (77°F) |
B1246 AIR MIX POTENTIOMETER SHORT (HIGH)-DRIVER
Actuation Test
- Connect scantool with diagnostic connector.
- Warm up the engine to normal engine temperature after engine starts.
- Select and monitor "Air Mix Door Potentioner-Driver" parameter on scantool.
- Select and perform Actuation test Air Mix Door Potentioner-Driver - 0%/50% /100% in order.
- With performing Actuation test, check that the value of Air Mix Door Potentiometer follows is changed and close to the value of Actuation Test. Specification: Check that the value of Air Mix Door Potentiometer at current data should be close to the value of the actuation test.
- Does the value of current data follow in accordance with the each actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S19382092092009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S19382092092009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in harness Open in signal (Feedback signal), Power or Ground circuit Faulty Mode Actuator Faulty Air conditioner Control Unit |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal of Mode Actuator has been detected below 0.1V for 0.3 seconds | |
| Failsafe | If the Mode actuator is placed at Vent mode right before fail detection, Actuator is operated and fixed to Vent Mode Position. The others mode are selected, Actuator is moved to DEF mode position |
B1249 DIRECTION POTENTIOMETER OPEN (LOW)-DRIVER
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S21610764982009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short in signal circuit (Feedback signal) Faulty Mode Actuator Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal of Mode Actuator has been detected over 4.9V for 0.3 seconds | |
| Failsafe | If the Mode actuator is placed at Vent mode right before fail detection, Actuator is operated and fixed to Vent Mode Position. In case of the others, Actuator is moved to DEF mode position |
B1250 DIRECTION POTENTIOMETER SHORT (HIGH)-DRIVER
- Connect scantool with diagnostic connector.
- Warm up the engine to normal engine temperature after engine starts.
- Select and monitor "Direction Potention" parameter on scantool.
- Select and perform Actuation test Driver Mode Door - Face/Foot/Defrost in order.
- Check that the value of all the parameters are changed when performing the actuation test. Specification: Face - About below 10%, Foot: About 50%, Defrost: About 90%.
- Are all the parameters changed when performing Actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S05252641652009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S05252641652009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in harness Open in signal circuit Open in signal, Power or Ground Circuit Faulty AQS Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal of AQS sensor has been detected over 4.9V for 0.3 seconds. | |
| Failsafe | AQS function OFF |
B1257 AQS SENSOR OPEN
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S37533513792009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in Harness Short in circuit Faulty AQS Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal of AQS sensor has been detected below 0.1V for 0.3 seconds. | |
| Failsafe | AQS function OFF |
B1258 AQS SENSOR SHORT
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S20746534892009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Open or short in Power circuit Faulty AQS Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | 40 seconds after IGN KEY On, No change at 2.5V for 15 seconds | |
| Failsafe | AQS function OFF |
B1259 AQS SENSOR FAULT
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S36392474442009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in Harness Open or Short in Signal (Feedback signal) Circuit Open or Short in Power circuit Faulty Console Temperature Actuator |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal has been detected open or below 0.1V for 0.3 seconds | |
| Failsafe |
B1275 AIR MIX POTENTIOMETER-VENT OPEN (LOW)-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S23152144642009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short to battery in Signal (Feedback Signal) Circuit Open in Ground Circuit Faulty Console Temperature Actuator |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal has been detected over 4.9V for 0.3 seconds | |
| Failsafe |
B1276 AIR MIX POTENTIOMETER VENT SHORT (HIGH)-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S32135200692009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in Harness Open or short in Signal (Feedback signal) circuit Open or Short in power circuit Faulty Console Temp A actuator |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal has been detected open or below 0.1V for 0.3 seconds | |
| Failsafe | If Console Temp Switch voltage is below 2.5V, Control Module moves fixes Actuator to Cool position. But, if it is higher than 2.5V, Actuator is moved to and fixed at Warm Position |
B1277 AIR MIX POTENTIOMETER-TEMP OPEN (LOW)-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S27731184332009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short to battery in signal (Feed-back Signal) Circuit Open in ground Circuit Faulty Console Temp. A actuator |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal has been detected over 4.9V for 0.3 seconds | |
| Failsafe | If Console Temp Switch voltage is below 2.5V, Control Module moves fixes Actuator to Cool position. But, if it is higher than 2.5V, Actuator is moved to and fixed at Warm Position |
B1278 AIR MIX POTENTIOMETER-TEMP SHORT (HIGH)-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S26069105352009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in Harness Open or Short in Console temperature actuator and sensor Faulty Console temperature actuator and sensor Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback Signal has been detected open or below 0.1 V for 0.3 seconds. | |
| Failsafe | If Switch voltage is below 0.1V, substituted Switch as Cool value. If Switch voltage is over 4.9V, substituted switch as Warm value |
B1279 AIR MIX SWITCH POTENTIOMETER OPEN (LOW)-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S23414135392009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Connection in harness Open in signal circuit Short to battery in signal circuit Faulty Console temperature actuator and sensor Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Console temperature Actuator and Switch has been detected over 4.9V for 0.3 seconds | |
| Failsafe | If Switch voltage is below 0.1V, substituted Switch as Cool value. If Switch voltage is over 4.9V, substituted switch as Warm value |
B1280 AIR MIX SWITCH POTENTIOMETER SHORT (HIGH)-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S14196690372009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor connection in harness Open or short in signal circuit Open or short in power circuit Faulty Auto defogger sensor actuator Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Short to ground in signal circuit for 2 seconds | |
| Failsafe | Air Conditioner Control Module Controls humidity as 0 % |
B1281 HUMIDITY SENSOR SHORT (LOW) - AUTO DEFOG
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S00611799732009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor connection in harness Short in signal circuit Faulty Auto Defog sensor Faulty Air conditioner Control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Open for 2 seconds | |
| Failsafe | Air Conditioner Control Module Controls humidity as 0 % |
B1282 HUMIDITY SENSOR OPEN (HIGH) - AUTO DEFOG
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S07712357602009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor Contact in harness Open or short in signal (Feedback signal) circuit Open or short in power circuit Faulty Auto defogger actuator Faulty Air conditioner control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | Feedback signal has been detected open or below 0.1V for 0.3 seconds | |
| Failsafe | If selected Mode was VENT, it is moved and fixed at Close position If the others mode, it is moved and fixed at Open position |
B1283 DIRECTION POTENTIOMETER OPEN (LOW) - AUTO DEFOG
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S13814708132009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Short to battery in signal (Feedback signal) circuit Open in ground circuit Faulty auto defogger mode actuator Faulty Air conditioner control Module |
| Enable Conditions | IG KEY ON | |
| Threshold value | The signal from auto defogger sensor has been detected 4.9V for 0.3 seconds. | |
| Failsafe | If selected Mode was VENT, it is moved and fixed at Close position If the others mode, it is moved and fixed at Open position |
B1284 DIRECTION POTENTIOMETER SHORT (HIGH) - AUTO DEFOG
- Connect scantool with diagnostic connector.
- Warm up the engine to normal temperature after engine start
- Select and monitor "Auto defogger mode direction pectination" parameter on current data
- Perform Actuation Test for "Auto Defogger Mode Door -0% (close)/50%/100% (open)" in order.
- Check that the value of auto defogger mode actuator is changed with performing actuation test. Specification: 0% (close) : About 90%, 50% : About 55%, 100% (open): About 20%.
- Does the value of auto defogger mode actuator follow the specification? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S16042635522009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S16042635522009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty auto defogger mode actuator Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B1285 DIRECTION CONTROL MOTOR - AUTO DEFOG
- Connect scantool with diagnostic connector.
- Warm up the engine to normal temperature after engine start
- Select and monitor "Auto defogger mode actuator" parameter on current data
- Perform Actuation Test for "auto defogger actuator -0% (close)/50%/100% (open)" in order.
- Check that the value of auto defogger mode actuator is changed with performing actuation test. Specification: 0% (close) : About 90%, 50% : About 55%, 100% (open): About 20%.
- Does the value of auto defogger mode actuator follow the specification? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S17900245182009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S17900245182009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Check CAN signal | Faulty Air conditioner Pressure Sensor CAN communication |
| Enable Conditions | IG KEY ON | |
| Threshold value | No receiving CAN signal for 1.5 seconds or Receiving Error value | |
| Failsafe | Substituted APT value as '0' |
B1672 APT SENSOR FAULT - CAN SIGNAL
Scheme 66
Scheme 67
- Connect scantool with diagnostic connector.
- Check that there is DTC on the engine side.
- Check engine first if there is any DTC on the engine side and confirm that it is erasable
- If no DTC, select "air conditioner pressure sensor" parameter on the engine side.
- Check that the value of air conditioner pressure sensor is changeable with A/C SW ON and OFF.
- Is the air conditioner pressure sensor normal? YES Check that there is any CAN related DTC and then, repair or replace as necessary. Finally, check that is possible to clear this DTC This is a intermittent problem caused by poor contact of Control Module Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S10671304202009102300000) " procedure. NO Check air conditioner pressure sensor, circuit, or related component. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S10671304202009102300000) " procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Check CAN signal | Faulty wheel Speed Sensor CAN communication |
| Enable Conditions | IG KEY ON | |
| Threshold value | No signal via CAN for 1.5 seconds or receiving Error value | |
| Failsafe | Substituted vehicle speed value as '0' |
B1686 VEHICLE SPEED SENSOR FAULT - CAN SIGNAL
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Check CAN signal | Faulty engine coolant temperature sensor CAN communication |
| Enable Conditions | IG KEY ON | |
| Threshold value | No signal via CAN for 1.5 seconds or receiving Error value | |
| Failsafe | Regarded it as -2°C (28.4°F) |
B1687 ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT - CAN SIGNAL
Scheme 68
- Connect scantool with diagnostic connector.
- Check that there is DTC on the VDC side.
- Check Engine first if there is any DTC on the engine side and confirm that it is erasable
- If no DTC, select "engine coolant temperature sensor" parameter on the engine side.
- Check that the value of engine coolant temperature is changeable according to engine temperature change
- Is the engine coolant temperature sensor normal? YES Check that there is any CAN related DTC and then, repair or replace as necessary. Finally, check that is possible to clear this DTC This is a intermittent problem caused by poor contact of Control Module Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S31307075672009102300000) " procedure. NO Check engine coolant temperature sensor, circuit, or related component. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S31307075672009102300000) " procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty Driver air mix actuator Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B2406 AIR MIX MOTOR-DRIVER
- Connect scantool with diagnostic connector.
- Warm up the engine to normal engine temperature after engine starts.
- Select and monitor "Air Mix Door Potentioner-Driver" parameter on scantool.
- Select and perform Actuation test Air Mix Door Potentioner-Driver - 0%/50% /100% in order.
- Check that the value of all the parameters are changed when performing the actuation test. Specification: Check that the value of Air Mix Door Potentiometer at current data should be close to the value of the actuation test.
- Does the value of current data follow in accordance with the each actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S07721381362009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S07721381362009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty Intake actuator Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B2408 INTAKE MOTOR
- Connect scantool with diagnostic connector.
- Warm up the engine to normal temperature after engine start
- Select "Intake Potentiometer" parameter on the current data with scantool
- Perform Actuation Test for Air Inlet Mode Selection - Recirculation/Fresh in order.
- With performing Actuation test, check that the value of each position sensors are changing. Specification: Recirculation : About 90%, Fresh: About 10%.
- Are the value of each position sensors changed when performing actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S41839993292009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S41839993292009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty Driver Direction actuator Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B2409 DIRECTION CONTROL MOTOR-DRIVER
- Connect scantool with diagnostic connector.
- Warm up the engine to normal engine temperature after engine starts.
- Select and monitor "Direction Potention" parameter on scantool.
- Select and perform Actuation test Driver Mode Door - Face/Foot/Defrost in order.
- Check that the value of all the parameters are changed when performing the actuation test. Specification: Face - About below 10%, Foot: About 50%, Defrost: About 90%.
- Are all the parameters changed when performing Actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S03854880392009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S03854880392009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty passenger air mix actuator Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B2415 AIR MIX DOOR MOTOR-PASSENGER
- Connect scantool with diagnostic connector.
- Warm up the engine to normal temperature after engine start
- Select "Air Mix Door Potentiometer-Passenger" parameter on the current data with scantool
- Perform Actuation Test for "Passenger Air Mix Door -0%/50%/100%.
- With performing Actuation test, check that the value of Air Mix Door Potentiometer is changed and close to the value of Actuation Test. Specification: Check that the value of Air Mix Door Potentiometer at current data should be close to the value of the actuation test.
- Does the value of current data follow in accordance with the each actuation test? YES This is a intermittent problem caused by poor contact of component or Control Unit Thoroughly check the looseness, poor connection, bent, corrosion, contamination, deformation or damage of connector. Repair or replace as necessary and then, go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S32170369392009102300000) " procedure. NO Go to Inspection/Repair procedure.
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S32170369392009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty Console temp actuator Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B2447 AIR MIX MOTOR VENT-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S29367591902009102300000) " procedure NO Go to W/Harness Inspection procedure.
| Item | Detecting Condition | Detecting Condition |
|---|---|---|
| DTC Strategy | Voltage check | Poor contact in harness Open or short in motor power circuit Faulty Console temp actuator "A" Faulty air conditioner control module |
| Enable Conditions | IG KEY ON | |
| Threshold value | No movement to controlled mode position for 40 seconds | |
| Failsafe | Fixed as current position |
B2448 AIR MIX MOTOR TEMP-CONSOLE
- Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
- Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Has a problem been found? YES Repair as necessary and go to " «VERIFICATION OF VEHICLE REPAIR»(ref-345976-S13564632372009102300000) " procedure NO Go to W/Harness Inspection procedure.