Pinpoint Test 1

PINPOINT TEST 1: SMART JUNCTION BOX (SJB) DOES NOT RESPOND TO THE DIAGNOSTIC TOOL

Normal Operation
The SJB communicates with the WDS or equivalent tester through the international standards organization (ISO) 9141 communication network, circuit (LB/W). If circuit (LB/W) becomes open or shorted to ground communications to that module are not possible.

Possible Causes
- ISO 9141 communication network circuit (LB/W) open
- SJB J-2280d
- SJB

CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.

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