Pinpoint Test E: The RCM Does Not Respond To The Diagnostic Tool

WARNING: This page is about a different car, the 2004 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

E1 CHECK CIRCUITS BETWEEN THE RCM AND THE DLC FOR AN OPEN

Key in OFF position.
Deactivate the airbag system. Refer to DISABLING SYSTEM .
Disconnect: RCM C2041b.
Measure the resistance between the RCM C2041b pin 15, circuit 8-EE7 (WH/RD), harness side and the DLC C251 pin 7, circuit 8-EE10 (WH/BK), harness side.

Fig 1: Check Circuits Between The RCM And The DLC For An Open
Courtesy of FORD MOTOR CO.
Is the resistance less than 5 ohms?

Yes

GO to E2.

REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.

E2 CHECK FOR CORRECT RCM OPERATION

Disconnect all the RCM connectors.
Check for:
- corrosion
- pushed-out pins
Connect all the RCM connectors and make sure they seat correctly.
Operate the system and verify the concern is still present.
Is the concern still present?

Yes

INSTALL a new RCM. REFER to RESTRAINTS CONTROL MODULE (RCM) . CARRY OUT the data link diagnostics test. CLEAR the DTCs. REPEAT the self-test.

The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.