LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Symptom Troubleshooting - Restraints) >> No. 2 Air Bag System Warning Light Illuminates Constantly >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
STEP INSPECTION ACTION
1 INSPECT BATTERY 
  • Measure the voltage of battery.
  • Is the voltage 8 V or more  ?
Yes Go to the next step.
No Battery is weak.
Inspect charge/discharge system, then go to Step 8. (See BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
2 VERIFY THAT SAS CONTROL MODULE CONNECTOR IS CONNECTED 
WARNING:
Yes Go to the next step.
No Reconnect the connector properly, then go to Step 8.
3 INSPECT DTCS IN SAS CONTROL MODULE 
Yes Perform the applicable DTC inspection, then go to Step 8.
(See DTC TABLE [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See DTC TABLE [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
No Go to the next step.
4 INSPECT DTCS IN INSTRUMENT CLUSTER 
  • Inspect the DTC for the instrument cluster on-board diagnostic system.
  • Have DTCs been recorded in memory?
Yes Perform the applicable DTC inspection, then go to Step 8. (See DTC TABLE [INSTRUMENT CLUSTER] .)
No Go to the next step.
5 VERIFY WHERE MALFUNCTION IS IN WARNING LIGHTS INDICATION CIRCUIT OR ELSEWHERE 
Yes Go to the next step.
No Repair the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
Then go to Step 8.
6 INSPECT POWER SUPPLY CIRCUIT OF SAS CONTROL MODULE (TERMINAL 3AD) 
WARNING:
Yes Go to the next step.
No Repair the wiring harnesses, then go to Step 8.
7 VERIFY THAT SAS CONTROL MODULE CONNECTOR TERMINAL 2H, 2L IS GROUND 
NOTE:
  • Inspect for continuity while shaking the wiring harness between the SAS control module and body ground.
  • Is there continuity?
Yes Replace the SAS control module, then go to the next step.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
No Replace the wiring harnesses, then go to the next step.
8 CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR 
Yes Complete troubleshooting, then explain repairs to customer.
No Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.