Ford Ranger EV (2001 year). Manual — part 88
412-04-2
412-04-2
Control Components
SPECIFICATIONS
Torque Specifications
Torque Specifications
Description
Nm
Lb/In
Description
Nm
Lb/In
IAA electrical connector bolt
6
53.5
Auxiliary battery ground cable
6
53
nut
IAA mounting nuts
9
80
Harness clamp nut
7
62.5
PTC module bolts
12
107
High voltage power
2
18
VBC screws
1.5
13
distribution box cover screws
(Continued)
The interface adapter assembly (IAA) module is a
DESCRIPTION AND OPERATION
low voltage multi-function module that manages the
Control Components
following functions:
NOTE: Electric Ranger shown, Postal Ranger EV
similar.
•
instrument cluster functions
•
power steering pump operation
•
climate control system
•
high voltage to low voltage conversion
•
vacuum pump operation
The IAA module communicates with the traction
inverter module (TIM) and the battery controller
module (BCM) to support the instrument cluster
operation and to determine when to close the high
voltage auxiliary contactor.
The positive temperature coefficient (PTC)
switching module provides high voltage to the PTC
heater. Driver demands for heat are received by the
IAA module, which commands the PTC switching
Item
Description
module to operate the PTC heater. The PTC
1
Interface Adapter Assembly (IAA)
switching module can vary output to operate the
2
Positive Temperature Coefficient (PTC)
PTC heater at either a low or high setting.
Module
REMOVAL AND INSTALLATION
Interface Adapter Assembly (IAA) Module
Removal
NOTE: Electric Ranger shown, Postal Ranger EV
similar.
1. Verify that the vehicle is turned off and is not
being charged.
412-04-3
412-04-3
Control Components
REMOVAL AND INSTALLATION (Continued)
2. Disconnect the auxiliary battery ground cable.
3. Disconnect the interface adapter assembly
(IAA) module electrical connector.
1 Loosen the connector bolt.
2 Remove the harness bracket nut.
3 Disconnect the connector.
4. Remove the IAA module.
1 Remove the nuts.
2 Remove the mounting plate.
3 Remove the IAA module.
Installation
1. Install the IAA module.
1 Install the IAA module.
2 Position the mounting plate.
3 Install the nuts.
412-04-4
412-04-4
Control Components
REMOVAL AND INSTALLATION (Continued)
2. Connect the IAA module electrical connector.
1 Connect the electrical connector.
2 Tighten the connector bolt.
3 Install the harness clamp nut.
3. Connect the auxiliary battery ground cable.
Positive Temperature Coefficient (PTC) Switching Module
Removal
NOTE: Electric Ranger shown, Postal Ranger EV
similar.
1. Verify that the vehicle is turned off and is not
being charged.
2. Disconnect the auxiliary battery ground cable.
3. Remove the high voltage power distribution box
(HVPDB) cover.
1 Remove the screws.
2 Remove the cover.
412-04-5
412-04-5
Control Components
REMOVAL AND INSTALLATION (Continued)
4. Remove the positive temperature coefficient
(PTC) switching module.
1 Disconnect the electrical connectors.
2 Remove the bolts.
3 Remove the module.
Installation
1. To install, reverse the removal procedure.
Variable Blower Controller (VBC)
Removal and Installation
1. Verify that the vehicle is turned off and is not
being charged.
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