DTC 2–4

7. Connect voltmeter between No. B8 and B5 terminals of Test Harness B and measure voltage, which should be 0.5 V or less.

If voltages are as specified, faulty SRS unit.
Replace SRS unit.

If voltages are not as specified, short to power in the SRS main harness. Replace harness.

DTC 2–4

WARNING: Whenever the ignition is switched ON (II), or has been turned OFF for less than 3 minutes, be careful not to bump the SRS unit; the airbags could accidentally deploy and cause damage or injury.

Test 1 – Check for short to earth in passenger’s airbag inflator

1. Turn ignition OFF. Disconnect battery negative and then the positive terminal and wait 3 minutes.

• A SRS main harness
• B Front passenger’s airbag 3-P connector
• C Short connector (RED)
• D SRS short connector A – SMD 4090
• E SRS indicator light
• F Service check 2-P connector
• G SCS short connector – SMD 4086
• H Data link connector (3-P)

2. Connect the short connector (RED) to the driver’s airbag connector.
3. Connect SRS short connector A to the SRS main harness 3-P connector.