SRS AIR BAG DIAGNOSIS
TSB Revision
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-99
(5) Check for continuity between C-37 harness side connector
terminals 1, 2 and body ground.
It should be an open circuit.
Q: Is it open circuit?
YES : Erase the diagnostic trouble code memory, and check
the diagnostic trouble code. If DTC B1B10 sets,
replace the SRS-ECU (Refer to
P.52B-383
). Then go
to Step 6.
NO : Go to Step 5.
STEP 5. Check harness wires for short circuit to ground
between SRS-ECU connector C-37 (terminal No.1 and 2)
and knee air bag module connector C-39 (terminal No.2
and 1).
Q: Are the harness wires between SRS-ECU connector
C-37 (terminal No.1 and 2) and knee air bag module
connector C-39 (terminal No.2 and 1) in good condition?
YES : Go to Step 6.
NO : Replace the harness wires between SRS-ECU
connector C-37 and knee air bag module connector
C-39. Then go to Step 6.
STEP 6. Recheck for diagnostic trouble code.
Check again if the DTC is set.
(1) Erase the DTC.
(2) Turn the ignition switch to the "ON" position.
(3) Check if the DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is DTC B1B10 set?
YES : Return to Step 1.
NO : The procedure is complete.
AC608812
C-37 Harness side
connector (front view)
FJ