Honda Accord: Symptom Troubleshooting - SRS (Supplemental Restraint System) - Restraints - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Symptom Troubleshooting

SRS indicator does not come on

NOTE: 2-door: Before replacing t h e SRS u n i t , check the SRS u n i t software v e r s i o n w i t h t h e HDS. I f t h e software v e r s i o n is not t h e latest, update t h e SRS unit software (see page 24-39), a n d retest.

1. T u r n t h e i g n i t i o n s w i t c h to LOCK (0), a n d w a i t for 10 seconds.

2. T u r n t h e i g n i t i o n s w i t c h t o ON (II), a n d check t h a t the SRS indicator comes o n f o r about 6 seconds and then goes off.

Does the SRS indicator come on? YES -

l n t e r m i t t e n t f a i l u r e , t h e s y s t em is OK at t h is t i m e .

NO

-Go t o step 3.

3. Connect t he HDS t o t he data link connector (DLC) (see page 24-38).

4. Make sure t h e HDS communicates w i t h t h e vehicle and t h e SRS unit. If it does not communicate, troubleshoot t h e DLC c i r c u i t (see page 11-181).

5. Do t h e gauge control m o d u l e self-diagnostic f u n c t i on (see page 22-332).

Does the SRS indicator come on? YES

-Faulty SRS unit; replace t h e SRS unit (see page 24-228).

NO

-Faulty gauge control m o d u l e ; replace t h e gauge control module (see page 22-351 ) .

SRS indicator stays on, but no DTCs are stored, or cannot be read

NOTE: Before d o i n g t h i s t r o u b l e s h o o t i n g procedure, make sure t h e battery is f u l l y charged. I f t h e battery v o l t a g e is l o w , SRS indicator may stay o n.

1. Start t he engine, and see i f t h e m a l f u n c t i o n indicator l a mp (MIL) also stays on.

Does the MIL stay on longer than 30 second? YES

-Go t o t h e MIL Circuit T r o u b l e s h o o t i n g (see page 11-180).

NO

-Go t o step 2.

2. Connect t h e HDS t o t he data link connector (DLC) (see page 24-38).

3. Make sure t h e HDS communicates w i t h t h e vehicle and t h e SRS unit. If it does not communicate, t r o u b l e s h o o t t h e DLC circuit (see page 11-181).

4. Check f o r DTCs w i t h t h e HDS (see page 24-37).

Are any SRS DTCs indicated? YES

-Do t h e SRS DTC t r o u b l e s h o o t i n g.

NO

-Go t o step 5.

5. Select Body Electrical status w i t h t h e HDS.

6. Check f o r DTCs in t h e Gauge .Menu w i t h t h e HDS.

Is DTC U0151 indicated? YES

-Troubleshoot DTC U0151 (see page 22-345).

NO

-Go t o step 7.

7. Do t h e gauge control m o d u l e self-diagnostic f u n c t i on (see page 22-332).

Does the SRS indicator come on? YES

-Faulty SRS u n i t ; replace t h e SRS unit (see page 24-228).

NO

-Faulty gauge control module; replace t h e gauge control m o d u l e (see page 22-351 ).

Side airbag cutoff indicator stays on

1. Make sure n o t h i n g is o n t h e f r o n t passenger's seat.

2. Make s u r e t h e seat-back is dry.

3. T u r n t h e i g n i t i o n s w i t c h t o ON (II), a n d see if t h e SRS indicator comes on.

Does the SRS indicator come on and stay on? YES

-Go t o t h e S y m p t o m T r o u b l e s h o o t i n g "SRS indicator stay o n , but no DTCs are s t o r e d , o r cannot be r e a d ".

NO

-Go t o step 4.

4. Connect t h e HDS t o t h e data link connector (DLC) (see page 24-38).

5. Make sure t h e HDS communicates w i t h t h e vehicle and t h e SRS unit. If it does not communicate, t r o u b l e s h o o t t h e DLC c i r c u i t (see page 11-181).

6. Select Body Electrical status w i t h t h e HDS.

7. Check f o r DTCs in t h e Gauge Menu w i t h t h e HDS.

is DTC U0151 indicated? YES

-Troubleshoot DTC U0151 (see page 22-345).B NO

-Go t o step 8.

8. Do t h e gauge control m o d u l e self-diagnostic f u n c t i on (see page 22-332). Does the side airbag cutoff indicator flash? YES

-Do t h e ODS unit i n i t i a l i z a t i on (see page 24-40). p r o b l em is still present, replace t h e seat-back w i th equipped OPDS sensor, 4-door (see page 20-213), 2-door (see page 20-221). If t h e p r o b l em is still present, replace t h e SRS unit (see page 2 4 - 2 2 8 ) . NO

-Faulty gauge control m o d u l e ; replace t h e gauge control m o d u l e (see page 22-351 ) .

Side airbag cutoff indicator does not come on

NOTE: • If t h e SRS i n d i c a t o r also stays o n , g o t o SRS indicator stays o n , b u t no DTCs are s t o r e d (see page 24-205).

• 2-door: Before replacing t h e SRS unit, check t h e SRS unit s o f t w a r e v e r s i o n w i t h t h e HDS. If t h e software v e r s i o n is not t h e latest, update t h e SRS unit software (see page 24-39), a n d retest.

1. T u r n t h e i g n i t i o n t o LOCK (0), a n d w a i t f o r 10 seconds.

2. T u r n t h e i g n i t i o n s w i t c h t o ON (II), a n d check t h a t t he side airbag cutoff indicator comes on f o r about 6 seconds.

Does the side airbag cutoff indicator come on? Y E S

- l n t e r m i t t e n t f a i l u r e , t h e s y s t em is OK at t h is timafi NO

-Go t o step 3.

3. Connect t h e HDS t o t h e data l i nk connector (DLC) (see page 24-38).

4. Make sure t h e HDS communicates w i t h t h e vehicle and t h e SRS unit. If it does not communicate, t r o u b l e s h o o t t h e DLC circuit (see page 11-181).

5. Do t h e gauge c o n t r o l m o d u l e self-diagnostic f u n c t i on (see page 22-332).

Does the side airbag cutoff indicator come on? YES

-Faulty SRS u n i t ; replace t h e SRS unit (see page 24-228).

NO

-Faulty gauge control module; replace t h e gauge control m o d u l e (see page 22-351 )

Passenger's airbag cutoff indicator stays on or comes on suddenly

NOTE: Under t h e f o l l o w i n g c o n d i t i o n s , t h e passenger's airbag cutoff indicator stays o n or comes o n suddenly: • When one is s i t t i ng o n t h e f r o n t passenger's seat, but t h e r e is a n object o n t h e seat m o r e t h a n 11 lbs (5 kg).

• The seat belt is buckled, but n o one is s i t t i ng o n t he f r o n t passenger's seat.

• Someone w h o is less t h a n about 65 lbs (30 kg) is s i t t i ng o n t h e f r o n t passenger's seat.

• 2-door: Before replacing t h e SRS unit, check t h e SRS unit s o f t w a r e v e r s i o n w i t h t h e HDS. I f t h e software v e r s i o n is not t h e latest, update t h e SRS unit software (see page 24-39), a n d retest.

1. Check f o r these items, t h e n recheck t h e passenger's airbag cutoff indicator.

• The f r o n t passenger's seat is i n s t a l l ed correctly.

• Nothing is/was o n t h e f r o n t passenger's seat.

• Nothing is/was under t h e f r o n t passenger's seat.

• Nothing is/was in t h e f r o n t passenger's seat-back pocket.

• Whoever was s i t t i ng o n t h e f r o n t passenger's seat was s i t t i ng in t h e proper s i t t i ng position.

• The seat w e i g h t sensors may not measure the correct w e i g h t of t h e f r o n t passenger's. I f t he passenger's is m o r e t h a n 65 lbs (30 kg) but is s u p p o r t i n g some of t h e i r b o d y w e i g h t w i t h their feet o n t h e f l o o r , o r w i t h t h e i r hands a n d arms o n an a rm rest, t h e actual w e i g h t of t h e passenger is not measured.

Does the passenger's airbag cutoff indicator stay on?

YES

-Go t o step 2.

N O

- T r o u b l e s h o o t i n g is complete.

2. Connect t h e HDS t o t h e data l i nk connector (DLC) (see page 24-38).

3. T u r n t h e i g n i t i o n s w i t c h t o ON (II).

4. Make sure t h e HDS c o m m u n i c a t e s w i t h t h e v e h i c le and t h e SRS unit. If it does not communicate, t r o u b l e s h o o t t h e DLC circuit (see page 11-181).

5. Select t h e INSPECTION menu o n t h e HDS, t h e n select AFTER REPLACING FRONT PASSENGER'S SEAT COMPONENT(S), and f o l l o w s t h e problems.

Does the passenger's airbag cutoff indicator stay on? YES

-Go t o step 6.

N O

- T r o u b l e s h o o t i n g is c o m p l e t e . 6. Select t h e INSPECTION menu o n t h e HDS, t h e n select AFTER A VEHICLE COLLISION, a n d f o l l ow t he prompts.

Does the passenger's airbag cutoff indicator stay on? YES

-Faulty SRS unit; replace t h e SRS unit (see page 24-228). i f t h e p r o b l em is still present, replace t h e ODS unit (see page 24-237), a n d t h e n i f t h e p r o b l em is still present, replace t h e f r o n t passenger's w e i g h t sensor assembly, 4-door (see page 24-235), 2-door (see page 24-236).

NO

- Troubleshooting is complete.

    DTC Troubleshooting
    PTC 11 -1x { " x " can be 0 ,2 thru 3 or A thru F): Open io the Driver's Airbag First Inflator DTC 11-4x ("x" can be 0,2 thru 9 or A thru F): Open in the Driver's Airbag Second ...

    Component Replacement/Inspection After Deployment
    NOTE: • Before doing any SRS repairs, check the DTCs (see page 24-36) for the less o b v i o u s deployed components (seat belt t e n s i o n e r s , front impact sensors, side airbag sensors ...

    See also:

    Radio Theft Protection
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    Oil Pump Chain inspection
    1. Remove the oil pan (see page 7-11). 2. Measure the oil pump chain auto-tensioner rod length. If the length is over the service limit, replace the oil pump chain (see page 8-25). Oil Pump Chai ...

    DOT Tire Quality Grading (U.S. Vehicles)
    The tires on your vehicle meet all U.S. Federal Safety Requirements. All tires are also graded for treadwear, traction, and temperature performance according to Department of Transportation ...