Mitsubishi 1992 3000GT, Руководство по обслуживанию

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SRS Troubleshooting
TEST 2
SRS WARNING LIGHT DOES NOT ILLUMINATE
(1)
Read (and write down) all of the displayed
(3) If the scan tool displays “CAN’T COMM.“,
trouble codes and service data (fault
check the scan tool and vehicle side
duration and how many time memories are
self-check data link connector for poor
erased) using the scan tool. connections (Refer to and
NOTE
perform TEST 4.
(1) Maximum stored period: 9999 minutes (2) Check diagnostic trouble codes against
(approximately 7 days)
BOARD DIAGNOSTIC QUICK REFERENCE
(2) Maximum number of times to be stored:
CHART and perform service indicated there.
250
ON-BOARD DIAGNOSTIC QUICK REFERENCE CHART
Fault No.
Explanation Service
Normal. The SRS is in good order.
11
The circuits for the front impact sensor are shorted to each other. Perform TEST 5
Or the negative harness between the air bag module and the SDU
is shorted to ground or the positive harness between the front im-
pact sensor and the SDU is shorted to ground.
12
Right or left impact sensor circuit is open or the wire from the sen-
sor to the SDU is open-circuit.
13
Right and left impact sensor circuits are open or the wires from the
sensors to the SDU are open-circuit.
21
The circuits for the driver’s air bag module (squib) are shorted to TEST 6
each other or the circuit is grounded.
22
The driver’s seat air bag module (squib) circuit is open or the wire
from the driver’s air bag module to the SDU (clock spring) is
circuit. Or the harness connector make a poor contact or the posi-
tive harness between the driver’s air bag module and the SDU is
shorted to ground.
24 The circuits for the passenger’s air bag module (squib) are Perform TEST 7
shorted to each other or the circuit is grounded.
25 The passenger’s air bag module (squib) circuit is open or the wire
from the passenger’s air bag module to the SDU (clock spring) is
open-circuit. Or the harness connector make a poor contact or the
positive harness between the passenger’s air bag module and the
SDU is shorted to ground.
31 The capacitor (integrated in the SDU) terminal voltage is higher
If the battery voltage is normal,
than the specified value for 5 seconds. place SDU. (Refer to
If the battery is run down, turn the
ignition key to the “LOCK” position,
The capacitor (integrated in the SDU) terminal voltage is lower
disconnect the negative battery
than the specified value for 5 seconds. Or the battery runs short.
cable and wrap the terminal with
tape for insulation. Then, charge
the battery.
The circuit for the cranking signal is shorted to some power supply Perform TEST 8
circuits. It takes at least 45 seconds that the SDU detects this
fault.
TSB Revision