Honda CRV/Odyssey 1995-2000 Repair Information

General Information

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The Air Bag is referred to as a Supplemental Restraint System (SRS) component because it is designed to work with, or as a supplement to, the seat belts supplied with the vehicle.


CAUTION
Air bags should never be assumed to take the place of seat belts. The air bag is designed to work in conjunction with the seat belts. Most states have instituted laws requiring the use of seat belts. Consult your local and state laws regarding seat belt usage.


WARNING
If the air bags have deployed, the air bags, SRS control unit, and if installed, the seat belt tensioner assemblies must be replaced.

A basic SRS is comprised of the following components:



SRS Airbag
 
SRS Sensors
 
SRS Control Unit
 
SRS Indicator Light (SRS Warning Light)
 

The SRS Sensors are used by the SRS Control Unit to detect a moderate to severe frontal collision. If such is the case, the SRS Sensors send a signal to the SRS Control Unit, which in turn activates the SRS Airbag. The SRS Control Unit also has it's own emergency backup power in case the vehicle's electrical system is disconnected in a crash.

The SRS Control Unit also monitors the integrity of the SRS System once the ignition key is switched ON . Under normal operating conditions, when the ignition key is initially turned to the ON position, the SRS Indicator Light should come on for 6 seconds, and then go out. This serves as a bulb check for the SRS Indicator Light. If the SRS Control Unit detects a problem in the SRS system, the SRS Indicator Light will remain ON until the problem is resolved and the SRS Diagnostic Trouble Codes (DTCs) erased.


CAUTION
If the SRS Indicator Light fails to light, or is on continuously, the cause should be determined immediately. The system may have a problem that could compromise the safe operation and/or deployment of the SRS system.

SERVICE PRECAUTIONS




WARNING
The Supplemental Restraint System (SRS) must be disabled before performing service on or around system components, steering column, instrument panel components, wiring and sensors. Failure to follow safety and disabling procedures could result in accidental air bag deployment, possible personal injury and unnecessary system repairs.

Please take note of the following precautions whenever working on or near SRS air bag system components:



When carrying a live air bag module, point the bag and trim cushion away from your body. When placing a live air bag on a bench or other surface, always face the bag and trim cushion up, away from the surface. Following these precautions will reduce the chance of injury if the air bag is accidentally deployed.
 
Use only a digital multimeter when checking any part of the air bag system. The multimeter's output must be 0.01Amps (10mA) or less when it is switched to its smallest ohmmeter range value.
 
Do not bump, strike, or drop any SRS component. Store SRS components away from any source of electricity, including static electricity, moisture, oil, grease, and extreme heat and humidity.
 
Do not cut, damage, or attempt to alter the SRS wiring harness or its yellow insulation.
 
Do not install SRS components that have been recovered from wrecked or dismantled vehicles.
 
Always disconnect both battery cables when working around SRS components or wiring.
 
Always disable the air bag when working under the dashboard.
 
Always check the alignment of the air bag cable reel during steering-related service procedures.
 
Take extra care when working in the area of the dashboard. Avoid direct exposure of the SRS unit or wiring to heat guns, welding, or spraying equipment.
 

See Figures 1 and 2

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Fig. Fig. 1: If removed, always place the inflator module facing up to avoid injury should accidental deployment occur



Click image to see an enlarged view

Fig. Fig. 2: Cut away view of a spring-loaded SRS electrical connector. Never modify an SRS electrical connector



Disconnect the driver's/front passenger's air bag and if equipped, the seat belt tensioner connections before working below the dashboard close to the SRS control unit.
 
If the vehicle is involved in a frontal impact or after a collision without airbag deployment, inspect the SRS unit for physical damage. If the SRS control unit is dented, cracked, or deformed, replace it.
 
If removed or replaced, make sure the SRS control unit is installed securely.
 
Never disassemble the SRS control unit.
 
When installing or replacing the SRS control unit, be careful not to bump or strike the area around the SRS control unit. Avoid using impact wrenches, hammers, etc. in the area surrounding the SRS control unit
 
Never reach through the steering wheel to start an air bag equipped vehicle.
 
If the air bag has deployed, the air bags, control unit, and if equipped, the seat belt tensioners must be replaced.
 

DISARMING THE SRS




CAUTION
The Supplemental Restraint System (SRS) must be disarmed before any of its components are disconnected or the air bag is removed. Failing to disarm the SRS before servicing its components may cause accidental deployment of the air bag, resulting in unnecessary SRS repairs and possible personal injury.

To fully disarm the SRS system requires that both the driver's and passenger's air bag be disconnected and shunted. Also, on 1998 and later CRV models, and V6 Odyssey models, the driver's and passenger's front seat belt tensioner must also be disconnected.

The battery must be disconnected at least 3 minutes prior to proceeding with disarming the SRS components, otherwise DTCs will be stored and the SRS Indicator Light will remain on once the system is activated. If DTCs are stored in the process of disarming the SRS, consult the SRS Indicator Light resetting procedures in this section.

Driver's Side Air Bag

  1. Write down the sound system security code before disconnecting the battery.
  2.  
  3. Disconnect the negative battery cable first and then the positive battery cable.
  4.  
  5. Wait at least three minutes after disconnecting the battery before working on or around the air bag.
  6.  
  7. On CRV, 2.3L and V6 Odyssey models, remove the steering wheel lower access cover and disconnect the driver's side 2-pin air bag electrical connector.
  8.  
  9. On 2.2L Odyssey models, remove the steering wheel lower access panel and locate the red shorting connector. Disconnect the driver's side air bag 3-pin electrical connector and install the red shorting connector onto the 3-pin air bag connector.
  10.  

Passenger's Side Air Bag

  1. If not previously disconnected, disconnect the negative battery cable first and then the positive battery cable.
  2.  
  3. Wait at least three minutes after disconnecting the battery before working on or around the air bag.
  4.  
  5. Remove the glove box or dashboard compartment. The air bag electrical connector is located in the dash just above the glove or storage box.
  6.  
  7. On 2.2L Odyssey models, locate the front passenger's air bag connector and proceed as follows:
    1. If the air bag connector is a 2-pin electrical connector, detach the connector.
    2.  
    3. If the air bag connector is a 3-pin electrical connector, locate the red shorting connector. Disconnect the 3-pin passenger's side air bag connector, and then install the air bag 3-pin electrical connector onto the red shorting connector.
    4.  

  8.  
  9. On CRV models and 2.3L and 3.5L Odyssey models, disconnect the 2-pin passenger's side air bag connector.
  10.  

Seat Belt Tensioner

The seat belt tensioner system is part of the Supplemental Restraint System (SRS) on 1998 and later CRV models and V6 Odyssey models. The seat belt tensioner system is activated when the air bag is deployed. If the air bag has deployed, the SRS control unit, air bags, and seat belt tensioners must be replaced.

  1. Remove the left and right center pillar trim.
  2.  
  3. Detach the 2-pin electrical connector for the driver's and passenger's side seat belt tensioner.
  4.  

ARMING THE SRS



To properly arm the Supplemental Restraint (SRS) System, all SRS components must be completely and properly installed. This includes the driver's and passenger's air bag, and on 1998 and later CRV models, and V6 Odyssey models, the driver's and passenger's front seat belt tensioners.

Driver's Side Air Bag

  1. On CRV, 2.3L and V6 Odyssey models, attach the driver's side 2-pin air bag electrical connector.
  2.  
  3. On 2.2L Odyssey models, perform the following:
    1. Detach the shorting connector from the air bag module connector.
    2.  
    3. Immediately couple the air bag and cable reel connectors.
    4.  
    5. Place the red shorting connector back into its holder.
    6.  

  4.  
  5. Install the steering wheel lower access panel.
  6.  
  7. Make sure the passenger's air bag and, if equipped, the driver's and passenger's seat belt tensioners are properly installed before connecting the battery.
  8.  
  9. Connect the positive battery cable first and then the negative battery cable.
  10.  
  11. Enter the sound system security code.
  12.  
  13. Turn the ignition switch to the ON position, but don't start the engine. The SRS indicator light should turn on for 6 seconds and then turn off. If the SRS indicator light doesn't come on, or stays on longer than six seconds, the system fault must be diagnosed, repaired and the SRS DTC fault memory cleared.
  14.  

Passenger's Side Air Bag

  1. On CRV models, and 2.3L and 3.5L Odyssey models, attach the 2-pin passenger's side air bag connector.
  2.  
  3. On 2.2L Odyssey models locate the front passenger's air bag connector and proceed as follows:
    1. If the air bag connector is a 2-pin electrical connector, attach the electrical connector.
    2.  
    3. If the air bag connector is a 3-pin electrical connector, remove the red shorting connector and immediately connect the 3-pin passenger's side air bag electrical connector. Then place the red shorting connector back into its holder.
    4.  

  4.  
  5. Install the glove box or dashboard compartment.
  6.  
  7. Make sure the driver's air bag and, if equipped, the driver's and passenger's seat belt tensioners are properly installed before connecting the battery.
  8.  
  9. Connect the positive battery cable first and then the negative battery cable.
  10.  
  11. Enter the sound system security code.
  12.  
  13. Turn the ignition switch to the ON position, but don't start the engine. The SRS indicator light should turn on for 6 seconds and then turn off. If the SRS indicator light doesn't come on, or stays on longer than six seconds, the system fault must be diagnosed, repaired and the SRS DTC fault memory cleared.
  14.  

Seat Belt Tensioner

  1. Attach the 2-pin electrical connector for the driver's and passenger's side seat belt tensioner.
  2.  
  3. Install the left and right center pillar trim.
  4.  
  5. Make sure the driver's and passenger's air bags are properly installed before connecting the battery.
  6.  
  7. Connect the positive battery cable first and then the negative battery cable.
  8.  
  9. Enter the sound system security code.
  10.  
  11. Turn the ignition switch to the ON position, but don't start the engine. The SRS indicator light should turn on for 6 seconds and then turn off. If the SRS indicator light doesn't come on, or stays on longer than six seconds, the system fault must be diagnosed, repaired and the SRS DTC fault memory cleared.
  12.  

RESETTING THE SRS INDICATOR



The Supplemental Restraint System (SRS) Indicator Light should extinguish 6 seconds after the ignition is switched ON if the system is in proper working order. If the light fails to illuminate, or the light stays on, the cause of the problem should be determined immediately.

If the SRS Warning Light stays on after the 6 second bulb check function, the control unit is sending a signal indicating there are stored faults in the system. These stored faults are referred to as Diagnostic Trouble Codes (DTCs). The DTCs can be read by using a suitable Data Scan Tool (DST) or by activating the blink codes using the yellow Memory Erase Signal (MES) Connector and the Service Connector (SCS) tool No. 07PAZ-0010100.

To read the stored DTCs, switch the ignition OFF for at least 10 seconds and install the Service Connector SCS tool to the Service Check Connector as outlined in Driveability and Emission Controls . Turn the ignition switch to the ON position and the SRS indicator light should come on for 6 seconds and then go off momentarily. If DTCs are stored the SRS will then begin to flash the codes, the main code is flashed first, followed by the sub-code. A main code flash lasts 1.2 seconds, the sub-code flash lasts 0.3 seconds. The blink code system is capable of displaying a maximum of three codes. If no codes are stored, the SRS indicator light will come on for 6 seconds, go off momentarily, and then come back on.

To erase the DTC memory and reset the SRS Indicator Light, first locate the yellow plastic Memory Erase Signal (MES) connector:



CRV models: The yellow connector is plugged into the upper right corner of the driver's side under dash fuse panel.
 
Odyssey models: The yellow connector is plugged into the fuse panel on the driver's side left kick panel.
 

The two wire color combinations found housed in the MES yellow connector should be as follows:



CRV models: Gray, gray or green, green
 
2.2L Odyssey models: Gray, gray or black, white
 
2.3L Odyssey models: Green, green or black, white
 
V6 Odyssey models: Green, green or black, light green/black
 

Once the MES connector has been properly located and identified, proceed as follows:

  1. Verify and make sure the ignition is switched OFF .
  2.  

See Figures 3 through 7

Click image to see an enlarged view

Fig. Fig. 3: To erase the DTC(s) from the SRS unit, first locate the MES yellow plastic electrical connector in the driver's side fuse panel- CRV shown



Click image to see an enlarged view

Fig. Fig. 4: Detach the yellow MES connector from the underdash fuse panel and use the SCS Service Connector to clear the DTC(s)- CRV shown



Click image to see an enlarged view

Fig. Fig. 5: Detach the yellow MES connector from the kick panel fuse box and use the SCS Service Connector to clear the DTC(s)-V6 Odyssey shown



Click image to see an enlarged view

Fig. Fig. 6: The SRS Indicator Light can be placed in the blink code mode using the SCS Service Connector installed in the blue plastic Service Check Connector as illustrated in Section 4



Click image to see an enlarged view

Fig. Fig. 7: The Diagnostic Trouble Codes (DTCs) can be used to help diagnose a problem in the Supplemental Restraint System (SRS)

  1. Connect the SCS service connector Tool No. 07PAZ-0010100 to the MES connector.
  2.  
  3. Turn the ignition switch ON .
  4.  
  5. The SRS Indicator Light should come on for 6 seconds and then go off. Remove the SCS connector within 4 seconds of when the SRS light goes off.
  6.  
  7. The SRS Indicator Light should come back on again. Reconnect the SCS service connector to the MES connector within 4 seconds of the time when the SRS Indicator Light comes back on.
  8.  
  9. The SRS Indicator Light should go off. Remove the SCS service connector from the MES connector within 4 seconds of the light going off.
  10.  
  11. If the process was successful, the SRS Indicator Light will blink two times.
  12.  
  13. Turn the ignition switch OFF and wait 10 seconds.
  14.  
  15. Turn the ignition switch ON and the SRS Indicator Light should come on for 6 seconds and then go off if all of the codes have been successfully cleared.
  16.  
  17. If the SRS Indicator Light does not go off, repeat the erasing the DTCs procedure. If after several attempts to erase the DTCs the SRS Indicator Light stays on, use the blink codes to help locate the problem in the SRS system. Inspect and make sure that all the components and electrical connectors are properly installed and connected.
  18.  
  19. Once the DTCs have been successfully erased, reinstall the yellow MES connector to its holder in the fuse panel.
  20.  

 
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