Mazda MX-6 1998, Workshop Manual

Page: 954 / 1282

TROUBLESHOOTING [AIR BAG SYSTEM]
PTC 3
DETECTION
CONDITION
Battery
Voltage supplied to SAS unit is less than 9 V.
POSSIBLE
CAUSE
Note
• Diagnostic trouble code 3 is indicated when the voltage simultaneously drops in the harness of both of
the following circuits.
1. Harness between terminal A of joint box connector (JB -08) and terminal AB of SAS unit connector.
2. Harness between terminal K of joint box connector (JB -07) and terminal Z of SAS unit connector.
• Battery malfunction
• Malfunction in wiring harness between battery and joint box
STEP INSPECTION ACTION
Warning
• Handling the SAS unit im properly can
accidently deploy the air bag modules
w hich may cause serious injury. Read AIR
BAG SYSTEM SERVICE WARNINGS, before
handling the SAS unit,
c r 08-10 AIR BAG SYSTEM SERVICE
WARNINGS
Is battery voltage more than 9 V?
Yes
Go to next step.
No
Battery is weak.
Inspect engine charging system.
c r 01-01 ENGINE SYMPTOM TROUBLESHOOTING
Remove driver-side front scuff plate.
Remove driver-side front side trim.
Remove joint box without disconnecting
connector.
Turn ignition switch to ON.
Measure voltage at terminal A (JB -08) or K
(JB -07) at joint box connector of wiring harness.
Is voltage
more than 9 V?
Yes Go to next step.
' I i !><• r T 1
I PI T I - U
JB-08
No Repair wiring harness between fuse block and joint box.
W6U801WA8
0 8 -0 1 A -4