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(g) Enter the following menus: DIAGNOSIS /
ENHANCED OBD II / VIN.
3. WRITE VIN
(a) The VIN writing process is shown in the flowchart
below. This process allows the VIN to be input into
the ECM. If the ECM is changed, or the ECM VIN
and Vehicle VIN do not match, the VIN can be
registered, or overwritten in the ECM by following
this procedure.
(b) Write VIN using the intelligent tester.
(c) Connect the intelligent tester to the DLC3.
(d) Turn the ignition switch to the ON position.
(e) Turn the tester ON.
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(f) Enter the following menus: DIAGNOSIS /
ENHANCED OBD II / VIN.
A103813E01
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ON-VEHICLE INSPECTION
1. INSPECT THROTTLE BODY
(a) Listen to the throttle control motor operating sounds.
(1) Turn the ignition switch to the ON position.
(2) When pressing the accelerator pedal position
sensor lever, listen to the running motor. Make
sure that no friction noise comes from the
motor.
If friction noise exists, replace the throttle body.
(b) Inspect the throttle position sensor.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Check that the MIL turns off.
(4) Under CURRENT DATA, the throttle valve
opening percentage (THROTTLE POS) should
be within the standard range below.
Standard throttle valve opening percentage:
60% or more
If the percentage is less than 60%, replace the
throttle body.
NOTICE:
When checking the throttle valve opening
percentage, the transmission should be in
neutral.
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REMOVAL
1. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY
HINT:
(See page WW-4)
2. REMOVE FRONT OUTER COWL TOP PANEL SUB-
ASSEMBLY (See page EM-27)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
5. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
6. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
7. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
(a) Disconnect the 3 vacuum hoses.
(b) Remove the No. 2 ventilation hose and air cleaner
hose band.
(c) Disconnect the vacuum hose (EVAP) from the air
cleaner hose.
(d) Disconnect the mass air flow meter connector.
(e) Remove the 2 bolts and air cleaner cap sub-
assembly.
8. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-28)
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9. REMOVE THROTTLE BODY
(a) Disconnect the throttle body connector and clamp.
(b) Disconnect the 2 water by-pass hoses from the
throttle body.
(c) Remove the 4 bolts and throttle body.
(d) Remove the throttle body gasket from the intake air
surge tank.
INSPECTION
1. INSPECT THROTTLE BODY
(a) Using an ohmmeter, measure the resistance
between the terminals.
Standard resistance
If the result is not as specified, replace the throttle
body assembly.
INSTALLATION
1. INSTALL THROTTLE BODY
(a) Install a new throttle body gasket to the intake air
surge tank.
A135707
A135708
A135709
A090372
Symbols (Terminal No.) Resistance Temperature
M+ (2) - M- (1) 0.3 to 100
20C (68F)
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(b) Install the throttle body with the 4 bolts.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
(c) Connect the 2 water by-pass hoses.
(d) Connect the throttle body connector and clamp.
2. INSTALL AIR CLEANER CASE SUB-ASSEMBLY (See
page EM-59)
3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
(a) Install the air cleaner cap sub-assembly with the 2
bolts.
(b) Connect the the vacuum hose (EVAP) to the air
cleaner hose.
(c) Install the No. 2 ventilation hose and air cleaner
hose band.
A135709
A135708
A135707
A135114
A135113E01