Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSISUZU1996TROOPER S, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 53 (AIR BAG RESTRAINT SYSTEM)DIAGNOSISDTC 51 FRONTAL CRASH DETECTEDDTC CHART TEST DESCRIPTION
1996 Isuzu Trooper S, Automatic
DTC Chart Test Description
1996 Isuzu Trooper S, AutomaticSECTION DTC Chart Test Description
WARNING: This page is about a different car, the 1995 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Numbers below refer to step numbers on the diagnostic chart.
- If air bag (s) has not deployed, DTC 51 may have set falsely.
- If DTC 51 has set with no signs of frontal impact, the diagnostic trouble code has set falsely.
- This checks for a DERM malfunction setting the diagnostic trouble code.
- This test checks for a DERM malfunction setting the diagnostic trouble code.
- This test determines whether the diagnostic trouble code was set inadvertently during diagnosis.
- When frontal crash has occurred, it is necessary to perform the indicated procedures to ensure the SRS is fully functional.
DTC 51 FRONTAL CRASH DETECTED CHECK
| STEP | ACTION | YES | NO |
|---|---|---|---|
| 1 | PERFORM THE "SRS DIAGNOSTIC SYSTEM CHECK". WAS THE "SRS DIAGNOSTIC SYSTEM CHECK" PERFORMED? | GO TO STEP 2. | GO TO THE "SRS DIAGNOSTIC SYSTEM CHECK". |
| 2 | NOTE THE DIAGNOSTIC TROUBLE CODE. IS DTC 51 CURRENT? | GO TO STEP 3. | GO TO THE "SRS DIAGNOSTIC SYSTEM CHECK". |
| 3 | IGNITION SWITCH "OFF." HAS AIR BAG(S) DEPLOYED? | GO TO STEP 8. | GO TO STEP 4. |
| 4 | INSPECT FRONT OF VEHICLE AND UNDER- CARRIAGE FOR SIGNS OF IMPACT. WAS THIS STEP FINISHED? | GO TO STEP 8. | GO TO STEP 5. |
| 5 | IGNITION SWITCH "ON." USING TECH 1 DATA LIST FUNCTION SELECT "DEPLOY COMMAND". IS DEPLOY COMMAND "ACTIVE"? | IGNITION SWITCH "OFF." GO TO CHART A. | GO TO STEP 6. |
| 6 | CLEAR SRS DIAGNOSTIC TROUBLE CODES. IS DTC 51 SET? | IGNITION SWITCH "OFF." GO TO CHART A. | GO TO STEP 7. |
| 7 | IGNITION SWITCH "OFF." WAS DTC 51 SET WHEN THE "SRS DIAGNOSTIC SYSTEM CHECK" WAS FIRST PERFORMED? | GO TO CHART A. | REPEAT THE "SRS DIAGNOSTIC SYSTEM CHECK". |
| 8 | REPLACE COMPONENTS AND PERFORM INSPECTIONS AS DIRECTED IN "REPAIRS AND INSPECTIONS REQUIRED AFTER AN ACCIDENT". CLEAR SRS DIAGNOSTIC TROUBLE CODES. WAS THIS STEP FINISHED? | REPEAT THE "SRS DIAGNOSTIC SYSTEM CHECK". | GO TO STEP 8. |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.