voltage regulator TOYOTA SIENNA 2007 Service Repair Manual

IN–52INTRODUCTION – TERMS
IN
TWC+OC Three-Way + Oxidation Catalytic ConverterCCR + CCo
VAF Volume Airflow Air Flow Meter
VR Voltage Regulator Voltage Regulator
VSS Vehicle Speed Sensor Vehicle Speed Sensor
WOT Wide Open Throttle Full Throttle
WU-OC Warm Up Oxidation Catalytic Converter -
WU-TWC Warm Up Three-Way Catalytic Converter -
3GR Third Gear -
4GR Fourth Gear -SAE
ABBREVIATIONSSAE TERMSTOYOTA TERMS
( )-ABBREVIATIONS

2GR-FE FUEL – FUEL PUMPFU–33
FU
9. REMOVE FUEL PUMP HARNESS
(a) Remove the fuel pump harness from the No. 1 fuel
tube joint.
10. REMOVE FUEL PRESSURE REGULATOR
ASSEMBLY
(a) Remove the clip.
(b) Pull out the fuel pressure regulator from the fuel
suction plate.
(c) Remove the 2 O-rings from the fuel pressure
regulator.
INSPECTION
1. INSPECT FUEL PUMP
(a) Inspect fuel pump resistance.
(1) Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
(b) Inspect fuel pump operation
(1) Apply battery voltage to both the terminals.
Check that the pump operates.
NOTICE:
• These tests must be done quickly (within
10 seconds) to prevent damage to the
pump.
• Keep fuel pump as far away from the
battery as possible.
• Always do the switching at the battery
side.
REASSEMBLY
1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY
(a) Apply a light coat of gasoline or spindle oil to the 2
new O-rings, and install it to the fuel pressure
regulator.
(b) Apply a light coat of gasoline or spindle oil to the 2
O-rings again, and install the fuel pressure regulator
to the No. 1 fuel tube joint.
(c) Install the clip.
2. INSTALL FUEL PUMP HARNESS
A079773E01
A079774E04
A032859E01
Tester Connection Condition Specified Condition
1 - 2 always0.2 to 3.0

at 20
C (68F)
A079775E04

2GR-FE FUEL – FUEL PUMPFU–33
FU
9. REMOVE FUEL PUMP HARNESS
(a) Remove the fuel pump harness from the No. 1 fuel
tube joint.
10. REMOVE FUEL PRESSURE REGULATOR
ASSEMBLY
(a) Remove the clip.
(b) Pull out the fuel pressure regulator from the fuel
suction plate.
(c) Remove the 2 O-rings from the fuel pressure
regulator.
INSPECTION
1. INSPECT FUEL PUMP
(a) Inspect fuel pump resistance.
(1) Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
(b) Inspect fuel pump operation
(1) Apply battery voltage to both the terminals.
Check that the pump operates.
NOTICE:
• These tests must be done quickly (within
10 seconds) to prevent damage to the
pump.
• Keep fuel pump as far away from the
battery as possible.
• Always do the switching at the battery
side.
REASSEMBLY
1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY
(a) Apply a light coat of gasoline or spindle oil to the 2
new O-rings, and install it to the fuel pressure
regulator.
(b) Apply a light coat of gasoline or spindle oil to the 2
O-rings again, and install the fuel pressure regulator
to the No. 1 fuel tube joint.
(c) Install the clip.
2. INSTALL FUEL PUMP HARNESS
A079773E01
A079774E04
A032859E01
Tester Connection Condition Specified Condition
1 - 2 always0.2 to 3.0

at 20
C (68F)
A079775E04