Section 1

SECTION 1

1. Depower the supplemental restraint system (SRS). Refer to WSM, Section 501-20B, General Procedures; Supplemental Restraint System Depowering and Repowering.

2. Check the connections along the CCS systems, passenger side: C3040, C3039, C3625a, C3625b; driver side: C3034, C3035, C311, C316, C3625b, C3625a. Ensure connectors are fully seated and secure. If the CCS is now operable, repower the SRS and return vehicle to the customer. If CCS system is still inoperable leave SRS depowered, continue to Step 3.

3. If CCS continues to be inoperable with a DTC of B272C/D code then note the time until the CCS fails when activated in the heat mode.

a. If the time to failure is 5 seconds or less then, proceed to Section 2.

b. If the time to failure is greater than 5 seconds but less than 40 seconds then, proceed to Section 3.

c. If the time to failure is 40 seconds or greater, then, proceed to Section 4.

NOTE
THERE ARE 4 PIDS WHEN USING IDS THAT READ THE TEMPERATURE OF THE 4 THERMO-ELECTRIC DEVICES (TEDS) IN THE VEHICLE. WHEN ASKED TO MONITOR THE PIDS, THIS TSB IS REFERRING TO THE PID'S OF THE AFFECTED SEAT BEING DIAGNOSED.

THE PIDS ARE AS FOLLOWS: (CSHTEMP) DRIVER CUSHION, (BK_TEMP) DRIVER SEAT BACK, (PCSHTMP) PASSENGER CUSHION, (PBK_TEMP) PASSENGER SEAT BACK.