DAEWOO NUBIRA 2004 Service Repair Manual

DAEWOO NUBIRA 2004 Service Repair Manual NUBIRA 2004 DAEWOO DAEWOO https://www.carmanualsonline.info/img/54/56879/w960_56879-0.png DAEWOO NUBIRA 2004 Service Repair Manual
Trending: brake sensor, camshaft, overheating, fuse diagram, alternator belt, camshaft fault, turn signal

Page 1581 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 5A1 – 232IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
GENERAL DESCRIPTION
AND SYSTEM OPERATION
The ZF 4HP 16 automatic transaxle consists primarily of
the following components.
Mechanical
S  T

Page 1582 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE  5A1 – 233
DAEWOO V–121 BL4
To engage the lock–up clutch, the direction of flow is modi-
fied (reversed) via a valve in the hydraulic selector unit. At
the same ti

Page 1583 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 5A1 – 234IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Shift Elements: Multi–disc Clutches and
Brakes
The purpose of the shift elements is to perform shifts un-
der load without the tractive

Page 1584 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE  5A1 – 235
DAEWOO V–121 BL4
Valve Body
Valve body performs the following tasks:
S  Generates the line pressure needed for actuating
the shift elements.
S  Actuates t

Page 1585 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 5A1 – 236IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
ELECTRONICAL COMPONENTS
Selector Lever/Program Switch
The driver engages the travel position via the selector le-
ver:
P : Park Position
R

Page 1586 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE  5A1 – 237
DAEWOO V–121 BL4
Shift Solenoid Valve: Solenoid 1,2
The shift solenoids are two identical, normally open elec-
tronic exhaust work that control upshifts a

Page 1587 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 5A1 – 238IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Transaxle Fluid Temperature (TFT) Sensor
The TFT sensor is a positive temperature coefficient
thermistor (temperature sensitive resistor)

Page 1588 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE  5A1 – 239
DAEWOO V–121 BL4
S  Excessive transaxle fluid leaking into the connector,
wicking up into the external wiring harness, and
degrading the wire insulation.

Page 1589 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 5A1 – 240IZF 4 HP 16 AUTOMATIC TRANSAXLE
DAEWOO V–121 BL4
Data Link Connector (CAN TYPE) 1.8L DOHC (Delphi 32 bit)
A Connector (Blue)B Connector (Green)C Connector (Gray)
1Solenoid 2Fluid Temperat

Page 1590 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ZF 4 HP 16 AUTOMATIC TRANSAXLE  5A1 – 241
DAEWOO V–121 BL4
TCM INPUTS THAT AFFECT THE 4HP
16 TRANSAXLE
Throttle Position Sensor
S  Provides throttle position data to the TCM for deter-
mining shif
Trending: cooling, wheel size, 1.8 DOHC, open gas tank, section 7, mirror controls, OBD port