S15/T15 2WD P/U V6-262 4.3L VIN Z (1992)
Engine Control Module: Service and Repair
Control Module Replacement
Figure 1
CAUTION
[a] The ignition must be "OFF," when disconnecting or reconnecting the control module connector, to prevent internal damage to the control module.
[b] To prevent possible Electrostatic Discharge to the control module, Do NOT touch the connector pins or soldered components on the circuit
boards.
NOTE When replacing a production control module with a service controller, transfer the broadcast code and production control module part number
to the controller label. DO NOT record information on the access cover.
REMOVE/DISCONNECT
-
Negative battery terminal.
-
Passenger side kick panel.
-
Hush panel if equipped.
-
Mounting screw.
-
Control module from mounting bracket.
-
VSS buffer connector and rotate control module to ease removal.
-
Control module harness connectors.
-
Mounting brackets and modules if equipped.
-
Remove new control module from its packaging and check the service number to make sure it is the same as the defective control module.
-
PROM removal. Refer to PROM (MEM-CAL) replacement.
NOTE
Replacement control module is supplied without a PROM, so care should be used when removing it from the defective control module, because it will
be reused in the new control module.
INSTALL/CONNECT
-
Mounting brackets and modules if equipped.
-
Control module harness connectors.
-
VSS buffer connector and rotate control module to ease
installation.
-
Control module into mounting bracket.
-
Mounting screw.
-
Hush panel if equipped.
-
Passenger side kick panel.