Checking The Wiring And Terminals

WARNING:

Under no circumstances use an ohmmeter or other live measuring instrument to take readings on a disconnected non-deployed adaptive steering column. The adaptive steering column could deploy

Fig 1: Identifying Ignition In Off Position

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Microphone Connectors

Courtesy of VOLVO CARS CORPORATION

Ignition off, wait for 15 seconds.
Disconnect the connector for Supplemental restraint system module (SRS).
Disconnect the connector from the adaptive steering column.
HINT: Check if other diagnostic trouble codes (DTCs), that indicate another activatable collision protection system, are stored.

HINT: The fault is due to a short-circuit to another circuit in the activatable collision protection system.

Check connectors for damage to pins and connections.

Also check other connectors and terminals that connect the wiring between the Supplemental restraint system module (SRS) and the adaptive steering column.

NOTE:
The connector to the activatable collision protection system in the other circuit must be disconnected before a reading is taken.

Check the cable. Check for a short-circuit to another circuit with activatable collision protection system. The resistance reading should read infinite resistance.

Take readings between:
- The connector to the adaptive steering column terminal #1 and the connector to the other activatable collision protection system terminals #1 and #2.
- The connector to the adaptive steering column terminal #2 and the connector to the other activatable collision protection system terminals #1 and #2.
Remedy as necessary.

Other information
- see CONNECTING THE BREAKOUT BOX
- see SIGNAL SPECIFICATION
- see STEERING COLUMN
- see CABLE HARNESS SRS SYSTEM, REPAIR
- see CHECKING WIRING AND TERMINALS
Fig 3: Identifying 2--Pin Connector Terminals
Courtesy of VOLVO CARS CORPORATION

Continue
Refer to POWERING THE SRS SYSTEM