Mazda 626 Station Wagon, Workshop Manual

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TROUBLESHOOTING
STEP INSPECTION ACTION
6
CONFIRM THAT MALFUNCTION
SYMPTOMS DO NOT REOCCUR AFrER
REPAIR
• Connect all SAS unit connectors.
• Connect driver- and passenger-side pre-
tensioner seat belt connectors.
• Connect driver- and passenger-side side
air bag module connectors. (With side air
bag)
• Connect passenger-side air bag module
connector. (With passenger-side air bag)
• Connect clock spring connector.
• Connect instrument cluster connector.
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Does air bag system warning light operate
properly?
Yes Complete troubleshooting, then explain repairs to cus­
tomer.
No Recheck malfunction symptoms, then repeat from Step
1 if malfunction recurs.
No. 3 PASSENGER-SIDE AIR BAG CUT-OFF INDICATOR LIGHT DOES NOT DIM.
3 Passenger-side air bag cut-off indicator light does not dim.
DETECTION
CONDITION
Malfunction in TNS relay circuit (open circuit).
(Child restraint seat’s built In resonator is attached to passengers seat)
POSSIBLE
CAUSE
• SAS unit malfunction
• TNS signal circuit malfunction
• Terminal 3F of SAS unit connector malfunction
• Poor connection at terminal 3F of SAS unit connector
• Open circuit in wiring harness between TNS relay and SAS unit
Diagnostic procedure
• When performing an asterisked(*) troubleshooting inspection, shake the wiring harness and connectors while 1
doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If
there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and
undamaged.
STEP INSPECTION
ACTION
1 CHECK TO SEE WHETHER MALFUNCTION
IS IN TNS SIGNAL CIRCUIT OR
ELSEWHERE
• Does parking light illuminate when
headlight switch is turned to TNS or
headlight position?
Yes Go to next step.
No Inspect TNS signal circuit, then go to Step 5.
T -108