Pinpoint Test M : DTC B1208:01, B1208:98, B14B9:01, B14B9:11, B14B9:12, B14B9:13, B14B9:1A And B14BD:11
- WARNING: Incorrect repair techniques or actions can cause an accidental Supplemental Restraint System (SRS) deployment. Never compromise or depart from these instructions. Failure to precisely follow all instructions could result in serious personal injury from an accidental deployment.
- M1 CHECK THE RESISTANCE OF THE DRIVER SEAT CUSHION BLOWER MOTOR THERMO-ELECTRIC DEVICE (TED)
- Ignition OFF.
- Disconnect: Driver Cushion Blower Motor C3035.
-
NOTE: Do not operate the heated/climate seat for 60 minutes before carrying out any diagnostics. Allow the seat to rest for 60 minutes until it has reached ambient temperature.
Measure the component side resistance between:
Positive Lead Measurement / Action Negative Lead
C3035-1, Component Side
C3035-2, Component Side
Is the resistance between 0.9 and 10 ohms?
Yes GO to M2 No INSTALL a new cushion blower motor. REFER to: Front Seat Cushion Blower Motor . - M2 CHECK THE RESISTANCE OF THE DRIVER SEAT CUSHION BLOWER MOTOR
-
NOTE: The ohmmeter must be connected with the positive lead to pin 3 and the negative lead to pin 4 when measuring. Ohmmeter leads incorrectly connected results in false readings and leads to incorrect identification of components that are not faulty.
Measure the component side resistance between:
Positive Lead Measurement / Action Negative Lead
C3035-3, Component Side
C3035-4, Component Side
Is the resistance between 4, 000 and 10, 000 ohms?
Yes GO to M3 No INSTALL a new cushion blower motor. REFER to: Front Seat Cushion Blower Motor . -
- M3 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR SPEED CONTROL RESISTANCE
- Measure the component side resistance
between:
Positive Lead Measurement / Action Negative Lead
C3035-7, Component Side
C3035-4, Component Side
Is the resistance between 240K and 400K ohms?
Yes GO to M4 No INSTALL a new cushion blower motor. REFER to: Front Seat Cushion Blower Motor . - Measure the component side resistance
between:
- M4 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR THERMISTOR
- Measure the component side resistance
between:
Positive Lead Measurement / Action Negative Lead
C3035-5, Component Side
C3035-8, Component Side
- Compare the measured resistance value with the following table:
Ambient Temperature Resistance 0-10°C (32-50°F) 2, 782-1, 663 ohms 10-20°C (50-68°F) 1, 837-1, 140 ohms 20-30°C (68-86°F) 1, 260-806 ohms 30-40°C (86-104°F) 893-570 ohms 40-50°C (104-122°F) 630-428 ohms
Is the resistance within the limits indicated?
Yes GO to M5 No INSTALL a new cushion blower motor. REFER to: Front Seat Cushion Blower Motor . - Measure the component side resistance
between:
- M5 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR CIRCUITS FOR A SHORT TO VOLTAGE
- REFER to: Supplemental Restraint System (SRS) Depowering .
- Disconnect: Driver Side Airbag In-line C345.
- Disconnect: DSM C341A and C341B.
- Connect: Driver Cushion Blower Motor C3035.
- Ignition ON.
- Measure:
Positive Lead Measurement / Action Negative Lead C341A-2 Ground C341A-5 Ground C341A-7 Ground C341A-9 Ground C341A-12 Ground
Are any voltages present?
Yes REPAIR the affected circuit. GO to M13 No GO to M6 - M6 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR CIRCUITS FOR A SHORT TO GROUND
- Ignition OFF.
- Measure:
Positive Lead Measurement / Action Negative Lead C341A-2 Ground C341A-5 Ground C341A-7 Ground C341A-9 Ground C341A-12 Ground
Are the resistances greater than 10, 000 ohms?
Yes GO to M9 No GO to M7 - M7 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR CIRCUITS FOR A SHORT TO GROUND WITH THE CUSHION BLOWER MOTOR DISCONNECTED
- Disconnect: Driver Cushion Blower Motor C3035.
- Measure:
Positive Lead Measurement / Action Negative Lead C341A-2 Ground C341A-5 Ground C341A-7 Ground C341A-9 Ground C341A-12 Ground
Are the resistances greater than 10, 000 ohms?
Yes INSTALL a new cushion blower motor. REFER to: Front Seat Cushion Blower Motor . GO to M13 No GO to M8 - M8 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR CIRCUITS FOR A SHORT TO GROUND WITH THE BACKREST BLOWER MOTOR DISCONNECTED
- Disconnect: Driver Backrest Blower Motor C3034.
- Measure:
Positive Lead Measurement / Action Negative Lead C341A-2 Ground C341A-5 Ground C341A-7 Ground C341A-9 Ground C341A-12 Ground
Are the resistances greater than 10, 000 ohms?
Yes REPAIR the affected circuit. GO to M13 No INSTALL a new backrest blower motor. REFER to: Front Seat Backrest Blower Motor . GO to M13 - M9 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR CIRCUITS FOR AN OPEN
- Disconnect: Driver Cushion Blower Motor C3035.
- Measure:
Positive Lead Measurement / Action Negative Lead C341A-2 C3035-7 C341A-5 C3035-4 C341A-7 C3035-3 C341A-9 C3035-8 C341A-12 C3035-5
Are the resistances less than 3 ohms?
Yes GO to M10 No REPAIR the affected circuit. GO to M13 - M10 CHECK THE DRIVER SEAT CUSHION BLOWER MOTOR CIRCUITS FOR A SHORT TOGETHER
- Disconnect: Driver Backrest Blower Motor C3034.
- Measure:
Positive Lead Measurement / Action Negative Lead C3035-1 C3035-2 C3035-3 C3035-4 C3035-3 C3035-7 C3035-4 C3035-7 C3035-5 C3035-8
Are the resistances greater than 10, 000 ohms?
Yes GO to M11 No REPAIR the affected circuits. GO to M13 - M11 DETERMINE CUSHION BLOWER MOTOR OR SCME (FRONT SEAT CLIMATE CONTROL MODULE) FAILURE
- Remove the cushion blower motor from the driver seat. REFER to: Front Seat Cushion Blower Motor .
- Remove the cushion blower motor from the passenger seat and install it on the driver seat.
- Connect: Driver Cushion Blower Motor C3035.
- Connect: DSM C341A and C341B.
- Start the engine and check operation of the driver seat climate controlled seat system.
Does the seat operate with the cushion blower motor from the other seat installed?
Yes INSTALL a new seat cushion blower motor. REFER to: Front Seat Cushion Blower Motor . GO to M13 No GO to M12 - M12 CHECK THE SCME (FRONT SEAT CLIMATE CONTROL MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect all of the DSM connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins as necessary
- pushed-out pins - install new pins as necessary
- Reconnect the DSM connectors. Make sure they seat and latch correctly.
-
NOTE: Do not reconnect Driver Side Airbag In-Line C345 at this time.
Reconnect all previously disconnected connectors.
- Ignition ON.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DSM. REFER to: Driver Front Seat Module (DSM) . GO to M13 No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. GO to M13 - M13 VERIFY THE SRS (SUPPLEMENTAL RESTRAINT SYSTEM) PROVES OUT SUCCESSFULLY
- REFER to: Supplemental Restraint System (SRS) Depowering .
- Connect: Driver Side Airbag In-line C345.
- Connect all previously disconnected connectors.
- REFER to: Supplemental Restraint System (SRS) Repowering .
Did the SRS prove out successfully?
Yes Repair is complete. RETURN the vehicle to the customer. No REFER to: Airbag Supplemental Restraint System (SRS)