PINPOINT TEST Q: DTCs B1113 AND B111B
- Q1 CHECK THE TED CIRCUITS FOR A SHORT TO GROUND NOTE: If a seat equipped with a seat mounted side air bag is being serviced, the Supplemental Restraint System (SRS) must be depowered. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .NOTE: The air bag warning lamp illuminates when the Restraints Control Module (RCM) fuse is removed and the ignition switch is ON. This is normal operation and does not indicate an SRS fault.NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
- Ignition OFF.
-
WARNING: Make sure no one is in the vehicle and there is nothing blocking or placed in front of any airbag when the battery is connected. Failure to follow these instructions may result in serious personal injury in the event of an accidental deployment.
For vehicles equipped with seat side air bags, carry out the following:
- Depower the SRS. Refer to Supplemental Restraint System (SRS) Depowering and Repowering in the General Procedures portion of SUPPLEMENTAL RESTRAINT SYSTEM .
- Disconnect the passenger seat side air bag module C339.
- Connect the battery ground cable. Refer to BATTERY, MOUNTING AND CABLES .
- Disconnect: DCSM C3265A.
- Measure the resistance between DCSM C3265A, harness side and ground using the following chart:
DCSM Connector Circuit C3265A-A CHS07 (GY/BU) C3265A-B RHS07 (BU) C3265A-C CHS06 (BU/BN) C3265A-D RHS06 (WH) - Are the resistances greater than 10, 000 ohms?
- Q2 CHECK THE TED CIRCUITS FOR A SHORT TO VOLTAGE
- Q3 CHECK THE TED AND WIRING RESISTANCE
- Ignition OFF.
- Measure the resistance between:
- DCSM C3265A-A, circuit CHS07 (GY/BU), harness side and DCSM C3265A-B, circuit RHS07 (BU), harness side.
- DCSM C3265A-C, circuit CHS06 (BU/BN), harness side and C3265A-D, circuit RHS06 (WH), harness side.
- Are the resistances between 0.9 and 10 ohms?
- Q4 CHECK THE PASSENGER BACKREST TED RESISTANCE
- Disconnect: Passenger Backrest TED C3039.
- Measure the resistance between passenger backrest TED C3039 pins 1 and 3, component side.
- Is the resistance between 0.9 and 10 ohms?
- Yes
: REPAIR circuit(s) CHS06 (BU/BN)/CHS01 (GY/VT) and/or RHS06 (WH)/RHS01 (WH/VT) for an open. CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: INSTALL a new passenger backrest TED. REFER to SEAT BACKREST - FRONT, BUCKET SEAT . CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- Q5 CHECK THE PASSENGER CUSHION TED RESISTANCE
- Disconnect: Passenger Cushion TED C3040.
- Measure the resistance between passenger cushion TED C3040 pins 1 and 3, component side.
- Is the resistance between 0.9 and 10 ohms?
- Yes
: REPAIR circuit(s) CHS07 (GY/BU) and/or RHS07 (BU) for an open. CLEAR the DTCs. REPEAT the self-test. For vehicles equipped with seat side air bags,
DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: INSTALL a new passenger cushion TED. REFER to SEAT CUSHION - FRONT, BUCKET SEAT . CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- Q6 CHECK THE CUSHION TED CIRCUITS FOR A SHORT TO GROUND
- Disconnect: Passenger Cushion TED C3040.
- Measure the resistance between:
- DCSM C3265A-A, circuit CHS07 (GY/BU), harness side and ground.
- DCSM C3265A-B, circuit RHS07 (BU), harness side and ground.
- Are the resistances greater than 10, 000 ohms?
- Yes
: INSTALL a new passenger cushion TED. REFER to SEAT CUSHION - FRONT, BUCKET SEAT . CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- Q7 CHECK THE PASSENGER BACKREST TED CIRCUITS FOR A SHORT TO GROUND
- Disconnect: Passenger Backrest TED C3039.
- Measure the resistance between:
- DCSM C3265A-C, circuit CHS06 (BU/BN), harness side and ground.
- DCSM C3265A-D, circuit RHS06 (WH), harness side and ground.
- Are the resistances greater than 10, 000 ohms?
- Yes
: INSTALL a new passenger backrest TED. REFER to SEAT BACKREST - FRONT, BUCKET SEAT . CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- Q8 CHECK THE PASSENGER CUSHION TED CIRCUITS FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect: Passenger Cushion TED C3040.
- Ignition ON.
- Measure the voltage between:
- DCSM C3265A-A, circuit CHS07 (GY/BU), harness side and ground.
- DCSM C3265A-B, circuit RHS07 (BU), harness side and ground.
- Is any voltage present on either circuit?
- Yes
: REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: INSTALL a new passenger cushion TED. REFER to SEAT CUSHION - FRONT, BUCKET SEAT . CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- Q9 CHECK THE PASSENGER BACKREST TED CIRCUITS FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect: Passenger Backrest TED C3039.
- Ignition ON.
- Measure the voltage between:
- DCSM C3265A-C, circuit CHS06 (BU/BN), harness side and ground.
- DCSM C3265A-D, circuit RHS06 (WH), harness side and ground.
- Is any voltage present on either circuit?
- Yes
: REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: INSTALL a new passenger backrest TED. REFER to SEAT BACKREST - FRONT, BUCKET SEAT . CLEAR the DTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- Q10 CHECK FOR CORRECT DCSM OPERATION
- Disconnect all the DCSM electrical connectors.
- Check the harness and component side connectors for the following:
- corrosion.
- damaged pins.
- pushed-out pins.
- Connect all the DCSM electrical connectors and make sure they seat correctly.
- Start the engine.
- Operate the climate controlled seats and verify system operation.
- CLEAR all CMDTCs.
- Enter the following diagnostic mode on the scan tool: Self Test - DCSM.
- Is DTC B1113 or B111B still present?
- Yes
: INSTALL a new DCSM. REFER to DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) . CLEAR all CMDTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
- No
: The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR all CMDTCs. REPEAT the self-test.
For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. CONNECT passenger seat side air bag module C339. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .