8.24 Electronic Control Module (Ecm)

ELECTRONIC CONTROL MODULE (ECM)                                                                                           8.24
PREPARE                                                            1568504

 PART NUMBER                    TOOL NAME
HD-48650            DIGITAL T ECHNICIAN II

                           NOTE
Always calibrate replaced ECM with DIGITAL TECHNICIAN fl
(PART NUMBER: HD-48650).

1.   Remove main fuse.      See    POWER DISCONNECT
     (Page 8-4).

2.   Remove ignition coil bracket. See IGNIT ION COIL
     (Page 8-16).                                                    1.      ECM caddy
                                                                     2.      ECM
REMOVE                                                                                   Figure 8-56. ECM
                                                              INSTALL
1.   Remove ECM assembly.
                                                                     FASTENER                          TORQUE VALUE
     a.   See Figure 8-55. Release ECM connector lock (4).    ECM assembly screws                  35-62 in-lbs 4-7 N·m

     b.   Rotate the connector lever counter-clockwise (3).   1.     Install ECM.
          Disconnect.
                                                                     a.      See Figure 8-56.
     c.   Remove screws (5).
                                                                     b.      Install ECM (1) into caddy (2).
     d.   Remove ECM assembly (1).
                                                              2.     Install ECM assembly.
2.   Remove Electronic Control Module (ECM).
                                                                     a.      See Figure 8-55. Install ECM assembly (1).
     a.   See Figure 8-56. Release caddy clips (1).
                                                                     b.      Install screws (3). Tighten
     b.   Remove ECM.
                                                                             Torque: 35-62 in-lbs (4-7 N·m) ECM assembly
                                                                             screws
                                                                     c.      Connect ECM connector. Verify connector lock (4)
                                                                             is engaged.

                                                              COMPLETE

                                                              1.     Install ignition coil bracket.        See IGNITION COIL
                                                                     (Page 8-16).

                                                              2.     Install main       fuse.   See    POWER     DISCONNECT
                                                                     (Page 8-4).

                                                              3.     Program using DTII.

     1.   ECM assembly
     2.   Frame
     3.   Connector lever
     4.   Connector lock
     5.   Screws (2)
                Figure 8-55. ECM Removal