C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
Engine Control Module: Service and Repair
Control Module Replacement
Fuel Module (Located Above Blower Motor Assembly)
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 DTC and production control module part number
to the controller label. DO NOT record information on the access cover.
REMOVAL:
1.
Disconnect the negative battery terminal.
2.
Remove glove box panel.
3.
Remove mounting brackets and/or retainers.
4.
Remove control module from tray.
5.
Disconnect control module harness connectors.
6.
Remove access cover and PROM (MEM-CAL).
INSTALLATION:
1.
Install PROM (MEM-CAL) and access cover on to new control module.
2.
Install mounting brackets and module(s).
3.
Install control module into tray until clips lock.
4.
Install control module harness connectors.
5.
Install glove box panel.
6.
Connect the negative battery terminal.
7.
Perform functional check.
