Toyota ZZT230 series, Repair Manual

Page: 537 / 821

Dl-326
DIAGNOSTICS
-
SUPPLEMENTAL RESTRAINT
SYSTEM
PRE-CHECK
1.
SRS WARNING LIGHT CHECK
(a) Turn the ignition switch to the ON position and check that
the SRS warning light lights up.
(b) Check that the SRS warning light goes out after approx.
6
seconds.
HINT:
•
When the ignition switch is at ON and the SRS warning
light remains on or flashes, the airbag sensor assembly
DLC3
"'"'"
has detected a malfunction code.
•
If, after approx. 6 seconds have elapsed, the SRS warn�
ing light sometimes lights up or the SRS warning light
lights up even when the ignition switch is OFF, a short in
the SRS warning light circuit can be considered likely.
Proceed to "SRS warning light circuit malfunction" on
page Dl-474.
2. DTC CHECK (Using diagnosis check wire)
(a) Present troubles codes:
Oulput the DTC.
(1) Turn the ignition switch to the ON position and wait
for approx. 20 seconds.
(2) Using SST. connect terminals Tc and CG of the
DLC3.
SST
NOTICE:
09843-18020
Pay due attention to the terminal connecting position to
avoid a malfunction.
(b) Past troubles codes:
Output the DTC.
(1) Using service wire, connect terminals Tc and CG of
the DLC3.
SST 09843-18020
(2) Turn the ignition switch to the ON position and wait
for approx. 20 seconds.
NOTICE:
Pay due attention to the terminal connecting position to
avoid a malfunction.