ENGINE
4-6
Nm
25
18
05AO196
I
23\il4-6 Nm3-4 ftlbs.
12. Connection for engine coolanttemperature switch
13. Connection for oxygen sensor
14. Connection for engine coolant
temperature sensor
15. Connection for engine coolant
temperature gauge unit
16. Connection for air conditioning engine
coolant temperature switch
17. Connection for
IAC motor
18. Connection for closed throttle position switch 19. Connection for fuel injectors
20. Connection for EGR temperature sensor
(California vehicles only)
21. Connection for knock sensor (Turbo)
22. Connection for ignition coil
23. Connection for ignition power transistor
24. Connection for throttle position sensor
25. Connection for crankshaft position sensor
26. Connection for ground cable
27. Control wiring harness
TSB Revision
1
ENGINE
Z&-y,bfm
‘\ .
,,\:.,.s.
46
4-6
‘Nm $7
3-4 ftlbs.
41
43
42
IO-12 Nm
7-9 ft.lbs.
05A0199
Removal steps
30. Connection for engine coolant
temperature switch
31. Connection for oxygen sensor
32. Connection for engine coolant temperature sensor
33. Connection for engine coolant
temperature gauge unit
34. Connection for air conditioning engine
coolant temperature switch
35. Connection for injector
36. Connection for EGR temperature sensor
(California vehicles only) 37. Connection for knock sensor (Turbo)
38. Connection for ianition coil
39. Connection for ignition power transistor
40. Connection for throttle position sensor
41. Connection for crankshaft position sensor
42. Connection for IAC motor
43. Connection for closed throttle position
switch
44. Connection for vacuum hoses
45. Center cover
46. Connection for spark plug cable assembly
47. Control wiring harness
TSB Revision
13-1
FUEL
CONTENTSM’ISAA--
AUTO-CRUISE CONTROL SYSTEM.............
.
332
AUTO-CRUISE CONTROL ............................. 408
SERVICE ADJUSTMENT PROCEDURES .................397
Accelerator Cables
inspectron and Adjustment ........
.
398 Auto-cruise
Control System Inspection
..............397
Individual Parts Inspection ......................
401SPECfAL
TOOLS
.....................................
333
SPECIFICATIONS .................................... 332
TROUBLESHOOTING ................................. 334
Auto-cruise Control Components Location ..........368
Auto-cruise Control
Related Harnesses
..........365
Check Chart
Check Chart
Circuit Diagram ................................
371input Checking................................
.
366
On-board Diagnostic Checking ......................
361Troubleshooting Quick-reference Chart
.
334
Troubleshooting Quick-reference Chart
ENGINE CONTROL...............................
.
328
ENGINE CONTROL ..................................
330
SERVICE ADJUSTMENT PROCEDURES .................329
Accelerator Cable inspectron and Adjustment
...........329
Accelerator Switch Inspection and Adjustment ..........329
SPECIFICATIONS ....................................
328
TROUBLESHOOTlNG................................
.
328
Accelerator
Cable and Accelerator Pedal .............
.
328
FUEL SYSTEM
FUEL FILTER .........................................
327
FUEL LINE AND VAPOR LINE
.
326
FUEL LINE AND VAPOR LINE
.
324
FUEL TANK
.
322
FUELTANK
.
318
GENERAL INFORMATION ............................ 196
ON-VEHICLE INSPECTION OF MFI
COMPONENTS
......251
Air Conditioning Switch and A/C Compressor Clutch Relay .....................................
285
Barometric Pressure Sensor .................... 266
Boost Meter
311Camshaft Position Sensor ........................
.
277Closed Throttle Position Switch
.....................
.
274
Component Location .............................
251Components Inspection Pocedure
................. 255
Crankshaft Position Sensor ..................... 280EGR
Solenord
...................
.
307EGR Temperature Sensor
.............
.
288Engrne Control Module Power Ground
................
.
257
Engine Coolant Temperature Sensor ..................
268Evaporative Emission Purge Solenoid .................
.
307
Fuel Pressure Solenoid
307Fuel Pressure Test...............................
.
312
Fuel Pump ...................................... 258
Heated Oxygen Sensor ............................ 290
Idle Air Control Motor (Stepper Motor) ................
238Ignition Coil and Ignition Power Transistor .............
.
302
Ignition Switch-ST .................................. 284
Ignition Switch-ST and Park/Neutral Position Switch .....284
Injectors .......................................
295Inspection of Engine Control Module Terminal
Voltage .......................................
.
315
Intake Air Temperature Sensor .......................263
Knock Sensor
Power Steering Pressure Switch ......................
284Power Supply and Ignition Switch ...................
.
255Resistor
..............................
.
298Terminal Voltage Check Chart
......................
.
315Throttle Position Sensor
..........................
.
270Turbocharger Waste Gate Solenoid
.........
.
309 Vehicle
Speed Sensor
............................... 284
Volume Air Flow Sensor ............................
261SERVICE ADJUSTMENT PROCEDURES ...............
.
245
Basic
idle Speed Adjustment .......................
.
245
Closed Throttle Position Switch (Fixed
SAS)Adjustment ......................................
.
250
Curb
Idle Speed Inspection
..........................245Throttle Body (Throttle Valve Area) Cleaning
...........
.
248Throttle Position Sensor Adjustment
..................
.
248
SPECIALTOOLS...................................
.
204
SPECIFICATIONS ...................................
201TROUBLESHOOTING ...............................
.
205
Check Engine/Malfunction Indicator Lamp ..............205
Circuit Diagram .................................... 214
Clear Memory of Diagnostic Trouble Code .............
211Explanation and Precaution Related to Harness
Checking ......................................
.
205Explanation of Troubleshooting Procedures
............
.
205Failsafe/Back-up Functions List
.....................
.
211Fuel tank and Fuel Line
............................
.
244
Read Out Diagnostic Trouble Code ...................
211Troubleshooting Table
.............................
.
208(CONTINUED ON NEXT PAGE)
13-2
FUEL SYSTEM
..........
FUEL FILTER ....................................
FUEL LINE AND VAPOR LINE .....................FUELTANK....................................
.
GENERAL INFORMATION ........................
ON-VEHICLE INSPECTION OF MFI
COMPONENTS . .
Air
Conditionrng Switch and A/C CompressorClutch Relay ......
.
.............
Barometric Pressure Sensor .........
Camshaft Position Sensor ...........
Closed Throttle Position Switch ...........
Component Location .............
Components
Inspectron Procedure .......
.
Crankshaft Positron Sensor ............
EGR Solenoid
. . .3. .
115..,.113
. 109
. . 3
. . . 38
83
536961384173101EGR Temperature Sensor
.
85
Enqine Control Module Power Ground ......
.
....
45
Engine Coolant Temperature Sensor ...............
55Evaporative Emission Purge Solenord..............
.
99
Fuel Pressure ...............................
102Fuel Pump
...................................
.
46
Idle Speed Control Motor (DC Motor) ................
.
93
Idle Speed Control Motor Positron Sensor ............
.
64
lgnitron Co11 and Ignition Power Transistor .........
.
96
Ignition Switch-ST ..........................
77Ignition Switch-ST and Park/Neutral Position Switch
...78
Injectors..................................
.
90
Inspection of
Engrne Control Module Terminal
Voltage .........
.
..........................
105Intake Air Temperature Sensor ..................
.
51Oxygen Sensor
............................
.
87Power Steering Pressure Switch
..................
.
81Power Supply
.........................
.
42
Terminal Voltage Check Chart ......................
106Throttle Positron Sensor.....................
.
57Vehicle Speed Sensor
.........................
.
80
Volume Air Flow Sensor .........................
49
SERVICE ADJUSTMENT PROCEDURES .................
32
Basic
Idle Speed Adjustment ...................
.
33
Curb Idle Speed Inspection ..........................
32Throttle Body (Throttle Valve Area) Cleaning........
.
35
Throttle Positron Sensor Adjustment ................
35
SPECIAL TOOLS 7
.................
...................
SPECIFICATIONS ....................................
5
TROUBLESHOOTING .................................
8
Check Engine/Malfunction Indicator Lamp ..............
10Crrcuit Diagram.................................
.
20
Clear Memory of Diagnostic Trouble Code ............
17Explanation and Precaution Related to HarnessChecking......................................
.
9Explanation of Troubleshooting Procedures
...........
.
8
Failsafe/Back-up Functions List ....................
16Fuel Tank and Fuel Lrne.........................
.
32Read Out of Diagnostic Trouble Code
...............
.
16Troubleshooting Table
.........................
.
13
FUEL SYSTEM
116
FUEL FILTER .......................................
195
FUEL LINE AND VAPOR LINE ........................
195
FUEL TANK ........................................ 195
GENERAL INFORMATION ............................
116
ON-VEHICLE INSPECTION OF MFI
COMPONENTS
Air Conditioning Switch and A/C Compressor Clutch Relay .............................
Barometric Pressure Sensor .................
Camshaft Position Sensor ....................
Closed Throttle Position Switch ................
Component Location .......................
Components Inspectron Pocedure
..............
Crankshaft Position Sensor .................
EGR Solenoid
EGR Temperature Sensor
Engine Control Module Power Ground ..........
Engine Coolant Temperature Sensor .............
Evaporative Emission Purge Solenoid ............
Fuel Pressure Test ...........................
Fuel Pump ..................................
IAC Valve Positon Sensor
......................
Idle Air Control Motor (DC Motor) ..............
lgnrtion Coil and Ignition Power Transistor
.......
.
Ignition Switch-ST ...........................
Ignition Switch-ST and Park/Neutral Position Switch
Injectors ....................................
Inspection of Engine Control Module Terminal
Voltage .....................................
Intake Air Temperature Sensor .................
Oxygen Sensor .............................
Power Steering Pressure
Swatch..............
.
Power Supply ...............................
Terminal Voltage Check Chart ..................
Throttle Position Sensor .......................
Vehicle Speed Sensor ......................... . . . . 139
176
154
165
16013914216
7
..,_ 191177146
155
189192
147
162
184
186
171172181
192152
179
175
143
192
157
173
Volume Air Flow Sensor ...........................
.
150
SERVICE ADJUSTMENT PROCEDURES
...............
.
133
Basic Idle Speed Adjustment 133
Closed Throttle Position Switch and Throttle Position
Sensor Adjustment .................................
136Curb Idle Speed Inspection
.........................
.
133Fixed SAS Adjustment
.............................
.
138Throttle Body (Throttle Valve Area) Cleaning
...........
.
136
SPECIAL TOOLS
...................................
.
119
SPECIFICATIONS 118
.... ..............................
TROUBLESHOOTING ..................
.............
119
Check Engine/Malfunction Indicator Lamp ..............
120Circuit Diagram...................................
.
128Clear Memory of Diagnostic Trouble Code
............
.
126Explanation and Precaution Related to Harness
Checking ........................................
.
119Explanation of Troubleshooting Procedures
............
.
119Failsafe/Back-up
Fuctions List
........................
126
Fuel Tank and Fuel Line .............................
133Read Out of Diagnostic Trouble Code ................
.
126
Troubleshooting Table ..............................
123
13-6
FUEL SYSTEM
SERVICE SPECIFICATIONSMl3CE.
ItemsSpecifications
Basic ignition timing
5”?2”BTDC at curb idle
Curb idle speed rpm
7502 100Idle
speed when air conditioning is on rpm
-am-r>850 at neutral position
4A>700 at D range
Basic idle speed rpm
750+50
Throttle position sensor adjusting voltageV 0.48-0.52 at curb idl
e
Throttle position sensor resistance
k-2 3.5-6.
5
Idle speed control motor coil resistance
Q 5-35 [at 20°C (68”F)l
Idle
speed control motor position sensor resistance
M-2 4-
6
Intake air temperature sensor resistance kQ 2.7 [at
20°C (68”F)l
Engine coolant temperature sensor resistancekc2
20°C (68°F)2.5
80°C (176°F)0.3
Fuel pressurekPa (psi)
Vacuum hose disconnection
330-350 (47-50) at curb idle
Vacuum hose connection Approx. 270 (38) at curb idle
Injector coil resistance
R 13-16 [at 20°C (68”F)]
TORQUE SPECIFICATIONSMIICC-
Items
Oxygen sensor
Engine coolant temperature sensor
Throttle position sensor attaching screws Idle speed control motor attaching screws
Fuel rail mounting bolts
High-pressure fuel hose to fuel rail
Fuel pressure regulator to fuel rail
Throttle body mounting
bolts
Accelerator cable adjusting bolts
Fuel tank drain plug
Electrical fuel pump Screws
Bolt (at lower side)
Fuel unit mounting screws gauge
High pressure hose to electrical fuel pump
High pressure hose to fuel main pipe
Fuel main pipe to fuel filter
Eye bolt
Fuel filter mounting bolts
Fuel pipes clip attaching boltNmft.lbs.
40-5030-36
20-4015-29
1.5-2.5 1.1-1.8
2.5-4.51.8-3.3
IO-137-
9
4-6 3-4
7-11 5-8
15-22
11-16
4-
6
3-4
17-26 12-19
2-3 1.4-2.2
9-14
7-10
2-
3
1.4-2.2
30-4022-2
9
30-4022-29
30-4022-29
25-3
5
18-25
9-14
7-10
9-1
4
7-10
1 TSB Revision
13-12
FUEL SYSTEM
No.
14
Diagnostic trouble code
On-board
diagnostic Check item (Remedy)
Memory
Output signal pattern item
Throttle l Harness and connector
Retained
position l Throttle position sensor
:-
sensor l Closed throttle position switch 12A0104
15
Idle
speed l Harness and connector
Retained
control l Idle speed control motor
n
motor
position sensor
position l Throttle position sensor
sensor 12A0104
21
Enginel Harness and connector Retained
coolant l Engine coolant temperature
“=
temperature
sensor
sensor 12A0107
22Crankshaft
l Harness and connector
Retained
position (If harness and connector are
:-
sensor normal, replace distributor
assembly.) 12A0107
23Camshaft
l Harness and connector
Retained
position (If harness and connector are
:=
sensor normal, replace distributor
assembly.) 12A0107
24Vehicle
l Harness and connector
Retained
speed l Vehicle speed sensor (reed
H
uulnnn
sensor (reed
switch)
switch)
L 12A0107
25Barometric
l Harness and connector
Retained
pressure (If harness and connector are
H
ULnMnn
sensor
normal, replace barometric
pressure sensor assembly.)
L 12A0107
41Injector
l Harness and connector
Retained0 Injector coil resistance
:a 12A0105
42Fuel pump
l Harness and connector
Retained
l Multiport fuel injection relay
Luuul nn
12A0105
TSB Revision
13-38
FUEL SYSTEM
ON-VEHICLE INSPECTION OF MFI
COMPONENTS
COMPONENT LOCATION
Ii111 I‘I 1 II
bEM0148
6FUO843
M?BYA-
Name Symbol Name
Symbol
Air conditioning compressor clutch relay
JIgnition coil (ignition power transistor)F
Air conditioning switch 0Ignition timing adjustment terminalR
Crankshaft position sensor and camshaft posi- InjectorIGtion sensor-Multiport fuel injection relayN
Data link connectorS - Oxygen sensor
A
EGR solenoid
K-Park/neutral position switch M
EGR temperature sensor
L-Power steering pressure switchU
Engine control moduleQ- Throttle position sensorD
Engine coolant temperature sensorE- Vehicle speed sensor (reed switch)P
Evaporative emission purge solenoidHVolume air flow sensor (incorporating intake
Fuel pump check terminalTair temperature sensor and barometric pres-B
-sure sensor)
Idle speed control motor (closed throttle posi-
tion switch, idle speed control motor position
Csensor)
NOTEThe “Name” column is arranged in alphabetical order
TSB Revision
13-56 FUEL SYSTEM
INSPECTION
Using Scan tool
FunctionItem No.
Data reading
-*LI
Data display
Sensor de-
tection
temperature
HARNESS INSPECTION
connector OlLO461Check conditions
Ignition switch: ON
Or, engine running Coolant temperature
Standard value
At
-20°C (-4°F)-20°C
At 0°C (32°F)0°C I
At
20°C (68°F)20°C
connector - Ic
OIL0463L
-16R1251
Temperature “C (“F)Resistance (kS2)
0 (32)5.9
20 (68)2.5
40 (104)1.1
80 (176) 0.3
(3) If the resistance deviates from the standard value greatly
replace the sensor.
J
TSB Revision
At 40°C (104°F)40°C
At 80°C (176°F)80°C
1
Check for continuity of the ground
circuit.
. Connector: Disconnected
Repair the
harness.
b&XII-@.
lm
Measure the power supply voltage.I. Connector: Disconnected
Ignition switch: ONVoltage
(VI
SENSOR INSPECTION
(1) Remove engine coolant temperature’ sensor from the
intake manifold.
(2) With temperature sensing portion of engine coolan
t
temperature sensor immersed in hot water check resist-
ance.