AIRBAG SYSTEM (DIAGNOSTICS) > General Description
PREPARATION TOOL
CAUTION:
To measure the voltage and resistance of airbag system component, be sure to use the specified test harness.
1. SPECIAL TOOL
• SUBARU SELECT MONITOR
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

—
SUBARU SELECT MONITOR 4
Used for setting of each function and troubleshooting for electrical system.
NOTE:
For detailed operation procedures of Subaru Select Monitor 4, refer to “Application help”.
• TEST HARNESS H
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299FA030
TEST HARNESS H
Used when measuring voltage and resistance of front sub sensor and front door impact sensor.

• TEST HARNESS N
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299SA000
TEST HARNESS N
Used when measuring voltage and resistance of driver’s airbag module, seat belt pretensioner and curtain airbag module.

• TEST HARNESS Q
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299SA040
TEST HARNESS Q
Used when measuring voltage and resistance of driver’s airbag module.

• TEST HARNESS AG
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299AG070
TEST HARNESS AG
Used when measuring voltage and resistance of airbag control module.


• TEST HARNESS V
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299AG010
TEST HARNESS V
Used when measuring voltage and resistance of side airbag sensor and curtain airbag sensor.

• AIRBAG RESISTOR
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299PA040
AIRBAG RESISTOR
Used in replacement of airbag module for which resistance value is same as airbag module.
Two STs are required for diagnosis of two-stage inflator type airbag module.

• TEST HARNESS AJ
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299FG000
TEST HARNESS AJ
Used when measuring power supply and resistance of side airbag harness.

• TEST HARNESS AI
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

98299AG090
TEST HARNESS AI
• Used for diagnoses of side airbag sensor and curtain airbag sensor.
• Used together with test harness V.

2. GENERAL TOOL
TOOL NAME | REMARKS |
Circuit tester | Used for measuring resistance, voltage and current. |
Probe | Used when measuring voltage and resistance of passenger’s airbag module. |
DST-i | Used together with Subaru Select Monitor 4. |
3. HOW TO USE PROBE
Insert the probe into the harness hole, and contact it with the terminal.

(A) | Cross section | ||||
(1) | Probe | (3) | Harness | (5) | Connection |
(2) | Connector (housing) | (4) | Terminal |
CAUTION:
• Do not insert the probe forcibly.
• Be careful not to contact it to the connection (5) between the terminal and harness. (Harness will come off easily from connector if doing so.)
Caution
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