Page 865 of 1807

H03224
P squib
Spiral
CableAirbag Sensor
Assembly
D squib
ON ACC
DLC 1Code 12
Tc E
1
or
DI-574
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
802 Author: Date:
1997 SUPRA (RM502U)
5 Check D squib.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect the steering wheel pad connector.
(d) Connect negative (-) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(b) Clear malfunction code stored in memory.
(See page DI-557)
(c) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(e) Using SST, connect the terminals Tc and E
1 of DLC1.
SST 09843-18020
(f) Check DTC.
OK:
DTC 12 is not output.
HINT:
Codes other than code 12 may be output at this time, but they
are not relevant to this check.
NG Replace steering wheel pad.
OK
Page 866 of 1807

H03225
P squib
Spiral
CableAirbag Sensor
Assembly
D squib
ON ACC
DLC 1Code 12
Tc E
1
or
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-575
803 Author: Date:
1997 SUPRA (RM502U)
6 Check P squib.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect the front passenger airbag assembly connector.
(d) Connect negative (-) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON and wait at least 20
seconds.
(b) Clear malfunction code stored in memory.
(See page DI-557)
(c) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(e) Using SST, connect the the terminals Tc and E
1 of DLC1.
SST 09843-18020
(f) Check DTC.
OK:
DTC 12 is not output.
HINT:
Codes other than code 12 may be output at this time, but they
are not relevant to this check.
NG Replace front passenger airbag assembly.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.
Page 867 of 1807
AB0119R05899R14288H07916
P squib
Spiral
CableAirbag Sensor
Assembly
D squibON
DI-576
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
804 Author: Date:
1997 SUPRA (RM502U)
7 Check spiral cable.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect the connector between airbag sensor assem-
bly and spiral cable.
(c) Turn the ignition switch ON.
CHECK:
Measure voltage at D+ on spiral cable side of connector be-
tween spiral cable and steering wheel pad and body ground.
OK:
Voltage: 0 V
NG Repair or replace spiral cable.
OK
Repair or replace harness or connector between airbag sensor assembly and spiral cable.
Page 870 of 1807
H03227
P squib
Spiral
Cable D squibAirbag Sensor
Assembly
ACC
ON
or
DLC1
Code 13
E
1Tc
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-579
807 Author: Date:
1997 SUPRA (RM502U)
3 Check airbag sensor assembly.
PREPARATION:
(a) Connect the connector to airbag sensor assembly.
(b) Connect negative (-) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON and wait at least 20
seconds.
(b) Clear malfunction code stored in memory.
(See page DI-557)
(c) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(e) Using SST, connect the terminals Tc and E
1 of DLC1.
SST 09843-18020
(f) Check DTC.
OK:
DTC 13 is not output.
HINT:
Codes other than code 13 may be output at this time, but they
are not relevant to this check.
NG Replace airbag sensor assembly.
OK
Page 871 of 1807

H03228
P squib
Spiral
Cable D squibAirbag Sensor
Assembly
ACC
ON
or
DLC1 Code 13
E
1Tc
DI-580
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
808 Author: Date:
1997 SUPRA (RM502U)
4 Check D squib.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect the steering wheel pad connector.
(d) Connect negative (-) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(b) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(c) Clear malfunction code stored in memory.
(See page DI-557)
(d) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(e) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(f) Using SST, connect the terminals Tc and E
1 of DLC1.
SST 09843-18020
(g) Check DTC.
OK:
DTC 13 is not output.
HINT:
Codes other than code 13 may be output at this time, but they
are not relevant to this check.
NG Replace steering wheel pad.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.
Page 874 of 1807

R05895AB0069AB0118AB0119FI1391N19819H07920
P squibAirbag Sensor
Assembly
D squib
Spiral
Cable
ACC
ON
or
E
1
Tc DLC1
Code 14
D+D-
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-583
811 Author: Date:
1997 SUPRA (RM502U)
3 Check airbag sensor assembly.
PREPARATION:
(a) Connect the connector to airbag sensor assembly.
(b) Using a service wire, connect D
+ and D- on spiral cable
side of connector between spiral cable and steering
wheel pad.
(c) Connect negative (-) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(b) Clear malfunction code stored in memory.
(See page DI-557)
(c) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(e) Using SST, connect the terminals Tc and E
1 of DLC1.
SST 09843-18020
(f) Check DTC.
OK:
DTC 14 is not output.
HINT:
Codes other than code 14 may be output at this time, but they
are not relevant to this check.
NG Replace airbag sensor assembly.
OK
Page 875 of 1807

H03231
P squib
Spiral
CableAirbag Sensor
Assembly
D squib
ACCON
or
E
1
DLC1
Code 14
Tc
DI-584
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
812 Author: Date:
1997 SUPRA (RM502U)
4 Check D squib.
PREPARATION:
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
and wait at least 90 seconds.
(c) Connect the steering wheel pad connector.
(d) Connect negative (-) terminal cable to battery, and wait
at least 2 seconds.
CHECK:
(a) Turn the ignition switch to ACC or ON and wait at least 20
seconds.
(b) Clear malfunction code stored in memory.
(See page DI-557)
(c) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(d) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(e) Using SST, connect the terminals Tc and E
1 of DLC1.
SST 09843-18020
(f) Check DTC.
OK:
DTC 14 is not output.
HINT:
Codes other than code 14 may be output at this time, but they
are not relevant to this check.
NG Replace steering wheel pad.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.
Page 878 of 1807
H03232
ACC
ON
or
DLC1
Code 31
E
1Tc
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-587
815 Author: Date:
1997 SUPRA (RM502U)
3 Is DTC 31 output again?
PREPARATION:
Clear malfunction code.
CHECK:
(a) Turn the ignition switch to LOCK, and wait at least 20 se-
conds.
(b) Turn the ignition switch to ACC or ON, and wait at least
20 seconds.
(c) Repeat operation in step (1) and (2) at least 5 times.
(d) Using SST, connect the terminals Tc and E
1 of DLC1.
SST 09843-18020
(e) Check DTC.
NO Using simulation method, reproduce malfunc-
tion symptoms (See page IN-18).
YES
Replace airbag sensor assembly.