cruise control SUZUKI GRAND VITARA 1999 2.G Owners Manual
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Page 4 of 656
Table of Contents
GENERAL INFORMATION TRANSMISSION, CLUTCH AND
DIFFERENTIAL0A7A1
General Information0A
0B7B1
Maintenance and Lubrication0B
Manual Transmission7A1
7C1
HEATING AND AIR CONDITIONING
Automatic Transmission7B1
1A7D
Heater and Ventilation1A
Clutch7C1
1B7E
Air Conditioning1B
Transfer7D7F
STEERING, SUSPENSION, WHEELS
AND TIRESDifferential (Front)7E
3
Differential (Rear)7F
3A8
Steering, Suspension, Wheels and Tires3 ELECTRICAL SYSTEM3B18A
Front End Alignment3A
Electrical System8
3C18B
Power Steering (P/S) System3B1
Wiring Diagram8A3D8C
Air Bag Steering Wheel and Column3C1
Lightening System8B3E8D
Front Suspension3D
Instrumentation / Driver Information8C
3F8E
Rear Suspension3E
Windows, Mirrors, Security and Lock8D
8G
Wheels and Tires3F
Cruise Control System8E
4A2
DRIVE SHAFT AND PROPELLER SHAFT
Immobilizer control system (if equipped)8G4B9
Front Drive Shaft / Shaft Bearing,
Oil Seal4A2BODY SERVICE
Body Service9
510
Propeller Shaft4B RESTRAINT SYSTEM
5A10A
BRAKE SYSTEM
Restraint System10
5B10B
Brakes5
Seat Belt10A
5C
Brake Pipe / Hose / Master Cylinder5A
Air Bag System10B
5E2
Front Brake5B
Parking and Rear Brake5C
6-1
Antilock Brake System (ABS)5E2
6A2
ENGINE
6B
General Information and
Diagnosis (H27 Engine)6-1
6C
6E2
Engine Mechanical (H27 Engine)6A2
6F2
Engine Cooling6B
6G
Engine Fuel6C
6H
Engine and Emission Control System
(SFI For H27 Engine)6E2
6K
Ignition System (H27 Engines)6F2
Cranking System6G
Charging System6H
Exhaust System6K
NOTE:
For the screen toned Sections in the above table, refer to the same section of the Related Manuals
mentioned in FOREWORD of this manual.
Page 198 of 656
ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-37
TERMINAL CIRCUIT NORMAL VOLTAGE CONDITION
E61-1Power source for CO adjusting
resistor (if equipped)10 – 14 V Ignition switch ON
E61-2 Power source for back up 10 – 14 V Ignition switch ON and OFF
E61-3 – – –
E61-4Cruise control module
(throttle opening signal)
(if equipped)Ignition switch ON, Voltage varies as specified at figure in
cruise control diagnosis of Section 8E while throttle valve is
opened gradually.
E61-5Duty output terminal
(vehicle with monitor connector)0 – 1 V Ignition switch ON
E61-6 Tachometer 0 – 1 V Ignition switch ON, engine stops
E61-7Malfunction indicator lamp
(“SERVICE ENGINE SOON” lamp)0 – 2.5 V Ignition switch ON, engine stops
10 – 14 V Engine running
E61-8 A/C cut signal (if equipped)0 – 1.5 V A/C is not operating
10 – 14 V A/C is operating
E61-9 Main relay10 – 14 V Ignition switch OFF
0 – 2 VIgnition switch ON or for 4 seconds
after ignition switch OFF
E61-10 CO adjusting resistor (if equipped) – –
E61-11 – – –
E61-12Data link connector (5V)
(Vehicle with monitor connector)4 – 6 V Ignition switch ON
E61-13 Data link connector (12V) 10 – 14 V Scan tool not connected to DLC
E61-14Test switch terminal
(Vehicle with monitor connector)10 – 14 V Ignition switch ON
E61-15 Rear defogger switch (if equipped)0 – 1.5 VIgnition switch ON, rear defogger
switch OFF
10 – 14 VIgnition switch ON, rear defogger
switch
E61-16 Heater blower switch10 – 14 VIgnition switch ON, heater blower
switch OFF
0 – 1.5 VIgnition switch ON, heater blower
switch ON
E61-17 A/C signal (if equipped)10 – 14 VIgnition switch ON, A/C switch or
heater blower switch OFF
0 – 1 VIgnition switch ON, A/C switch ON
and heater blower switch ON
E61-18 – – –
E61-19 “4WD” lamp0 – 1 VIgnition switch ON, Transfer lever :
4H or 4L range
10 – 14 VIgnition switch ON, Transfer lever :
2H range
E61-20 “O/D OFF” lamp (A/T vehicle)0 – 1 VFor 4 sec. after ignition switch ON
or overdrive cut switch ON
10 – 14 VAfter 4 sec. from ignition switch ON
and overdrive cut switch OFF
E61-21 “POWER” lamp (A/T vehicle)0 – 1 VIgnition switch ON, P/N change
switch : POWER mode
10 – 14 VIgnition switch ON, P/N change
switch : NORMAL mode
Page 199 of 656
6-1-38 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE)
E61-22A/C condenser fan motor relay
(if equipped)10 – 14 VIgnition switch ON, A/C not oper-
ated and Engine coolant temp. :
less than 113°C, 235°F
E61-23 Fuel pump relay0 – 2.5 VFor 3 sec. after ignition switch ON
or while engine running
10 – 14 VAfter 3 sec. from ignition switch ON
with engine stopped
E61-24Ground for CO adjusting resistor
(if equipped)––
E61-25 – – –
E61-26 – – –
E61-27 – – –
E61-28 Fuel level sensor 0 – 6 VIgnition switch ON
Voltage depends on fuel level
E61-29Diag. switch terminal
(vehicle with monitor connector)10 – 14 V Ignition switch ON
E61-30 ABS control module 10 – 14 V Ignition switch ON
E61-31Power/Normal change switch
(A/T vehicle)0 – 1 VIgnition switch ON, P/N change
switch : POWER mode
10 – 14 VIgnition switch ON, P/N change
switch : NORMAL mode
E61-32 Lighting switch0 – 1 VIgnition switch ON, lighting switch
OFF
10 – 14 VIgnition switch ON, lighting switch
ON
E61-33 Overdrive cut switch (A/T vehicle)10 – 14 VIgnition switch ON, overdrive cut
switch released
0 – 1 VIgnition switch ON, overdrive cut
switch pressed
E61-34 Stop lamp switch0 – 1 VBrake pedal released (switch OFF),
Ignition switch ON
10 – 14 VBrake pedal depressed (switch ON),
Ignition switch ON
E61-35 Cruise control module (if equipped) 10 – 14 V Ignition switch ON
C51-3-1 Intake air temp. sensor 2.2 – 3.0 VIgnition switch ON, Sensor ambient
temp. : 20°C, 68°F
C51-3-2 Engine coolant temp. sensor 0.5 – 0.9 VIgnition switch ON, Engine coolant
temp. : 80°C, 176°F
C51-3-3 Knock sensor About 2.5 VWith engine running at idle after
warned up
C51-3-4 Power source 10 – 14 V Ignition switch ON
C51-3-5 Ground for MAF sensor – –
C51-3-6 Ground – –
C51-3-7 4WD switch0 – 1 VIgnition switch ON, Transfer lever :
4H or 4L range
10 – 14 VIgnition switch ON, Transfer lever :
2H range
C51-3-8 Manifold absolute pressure sensor 3.3 – 4.3 V Ignition switch ON and engine stops TERMINAL CIRCUIT NORMAL VOLTAGE CONDITION
Page 266 of 656
ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-105
DTC P0500 (DTC No.24) Vehicle Speed Sensor Malfunction
WIRING DIAGRAM
DTC DETECTING CONDITION AND TROUBLE AREA
1. Speedometer
2. Vehicle speed sensor
3. Cruise control module (if equipped)
4. ECM (PCM)
DTC DETECTING CONDITION TROUBLE AREA
Vehicle speed signal not inputted although fuel is kept
cut for longer than 5 seconds
(2 driving cycle detection logic)•Vehicle speed sensor circuit open or short
•Vehicle speed sensor
•Vehicle speed sensor drive gear or driven gear
•Speedometer malfunction
•Cruise control module malfunction (if equipped)
•ECM (PCM)
Page 268 of 656
![SUZUKI GRAND VITARA 1999 2.G Owners Manual ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-107
[A] Fig. for Step 3 / [B] Fig. for Step 4, 6, 7
Fig. for Step 55 VSS visual inspection:
1) Remove VSS referring to “TRANSFER”
section](/img/20/7583/w960_7583-267.png "SUZUKI GRAND VITARA 1999 2.G Owners Manual ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-107
[A] Fig. for Step 3 / [B] Fig. for Step 4, 6, 7
Fig. for Step 55 VSS visual inspection:
1) Remove VSS referring to “TRANSFER”
section")
ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-107
[A] Fig. for Step 3 / [B] Fig. for Step 4, 6, 7
Fig. for Step 55 VSS visual inspection:
1) Remove VSS referring to “TRANSFER”
section.
2) Check VSS drive and driven gears for
damage and excessive wear.
Are they in good condition?Poor VSS connection or VSS
malfunction.
If connection is OK, substi-
tute a known-good VSS and
recheck.Replace VSS.
6 Speedometer circuit check:
1) With ignition switch OFF, disconnect
G11 coupler from combination meter.
2) With ignition switch ON leaving engine
OFF, check voltage between C20-1 and
C20-2 terminal of VSS coupler.
Is voltage 4 V or more?Substitute a known-good
combination meter and
recheck.Go to Step 7.
7 Cruise control module circuit check (if
equipped):
1) With ignition switch OFF, disconnect
E132 coupler from cruise control mod-
ule.
2) With ignition switch ON leaving engine
OFF, check voltage between C20-1 and
C20-2 terminal of VSS coupler.
Is voltage 4 V or more?Substitute a known-good
cruise control module and
recheck.“BLU/YEL” wire open/
short or faulty ECM
(PCM).
If wire and connection are
OK, substitute a known-
good ECM (PCM) and
recheck.
1. VSS coupler
2.“BLU/YEL” (C20-1) terminal
3.“BLK/YEL” (C20-2) terminal
4.“BLU/BLK” (C20-3) terminal
Step Action Yes No
1. VSS coupler
2. VSS driven gear
3. VSS drive gear
Page 338 of 656
ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-5
1. Air cleaner 22. Fuel level sensor 39. A/C controller (if equipped)
2. Intake air temp. sensor 23. Monitor connector (if equipped) 40. Data link connector/Immobilizer control mod-
ule (if equipped)
3. Mass air flow sensor 23-1. Diag. switch terminal 41. ABS control module
4. EVAP canister purge valve 23-2. Test switch terminal 42. Main relay
5. Throttle position sensor 23-3. Output duty select switch terminal 43. Ignition switch
6. Idle air control valve 23-4. Duty output terminal 44. Park/Neutral position switch in TR switch (A/T)
7. Camshaft position sensor 24. Fuel filter 45. Battery
8. EGR valve 25. Fuel pressure regulator 46. Starter magnetic switch
9. Manifold absolute pressure sensor
(if equipped)26. Immobilizer indicator lamp (if equipped) 47.“O/D OFF” lamp (A/T)
10. Fuel injector 27. Tank pressure control valve 48.“POWER” lamp (A/T)
11. PCV valve 28. EVAP canister 49. Lighting switch (A/T)
12. Ignition coil assembly 29. Knock sensor 50. Stop lamp switch (A/T)
13. Engine coolant temperature sensor 30. ECM/PCM (Engine control module/Powertrain con-
trol module)51. O/D cut switch (A/T)
14. Heated oxygen sensor
(bank 1 sensor 1) (if equipped)31. Malfunction indicator lamp 52. POWER/NORMAL change switch (A/T)
15. Heated oxygen sensor
(bank 2 sensor 1) (if equipped)32. Electric loads (rear defogger (if equipped), lighting) 53. 4WD low switch (A/T)
16. Heated oxygen sensor
(bank 1 sensor 2) (if equipped)33. Power steering pressure switch 54. Transmission range switch (A/T)
17. Heated oxygen sensor
(bank 2 sensor 2) (if equipped)34. Heater blower fan switch 55. Solenoid valve A (A/T)
18. Warm-up three way catalytic converter
(if equipped)35. Cruise control module 56. Solenoid valve B (A/T)
19. Three way catalytic converter
(if equipped)36. Vehicle speed sensor 57. TCC solenoid valve (A/T)
20. Crankshaft position sensor
(if equipped)37. Combination meter 58. A/T input speed sensor (A/T)
21. Fuel pump 38. A/C condenser fan relay (if equipped) 59. A/T vehicle (output) speed sensor (A/T)
Page 343 of 656
6E2-10 ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE)
TERMINAL ARRANGEMENT OF ECM (PCM) CONNECTOR (VIEWED FROM HARNESS SIDE)
1. Fuel injector No.1 17.“O/D OFF” lamp (A/T) 34. Power steering pressure switch
2. Fuel injector No.2 18.“POWER” lamp (A/T) 35. Stop lamp switch (Brake pedal switch)
3. Fuel injector No.3 18-1.“4WD” lamp (4WD) 36. Lighting switch
4. Fuel injector No.4 18-2. 4WD air pump assembly (4WD) 37. Rear defogger switch (if equipped)
4-1. Fuel injector No.5 19. 4WD switch (4WD) 38. Heater blower motor (if equipped)
4-2. Fuel injector No.6 20. Power/Normal change switch (A/T) 39. A/C control module (amplifier)
5. EGR valve (if equipped) 21. O/D cut switch (A/T) 40. ABS control module
6. Idle air control 21-1. 4WD low switch (4WD) 41. Heated oxygen sensor-1 (Bank1) (if equipped)
7. EVAP canister purge valve 22. Main relay 41-1. Heated oxygen sensor-1 (Bank2) (if equipped)
8. Ignition coil for No.1 23. Transmission range switch (Park/Neutral
Position Switch) or clutch pedal position switch42. Heater oxygen sensor-2 (Bank1) (if equipped)
8-1. Ignition coil for No.2 24. Starter magnetic switch 42-1. Heater oxygen sensor-2 (Bank2) (if equipped)
9. Ignition coil for No.3 24-1. Cruise control module (if equipped) 43. Intake air temp. sensor
9-1. Ignition coil for No.4 25. Vehicle speed sensor 44. Engine coolant temp. sensor
10. Ignition coil for No.5 26. Combination meter 45. Throttle position sensor
10-1. Ignition coil for No.6 27. Data link connector 46. CO adjusting resistor (if equipped)
11. Fuel pump relay 28. TCC solenoid (A/T) 47. Manifold absolute pressure sensor (if
equipped)
12. Fuel pump 29. Shift solenoid-B (A/T) 48. Mass air flow sensor
13. A/C condenser fan relay (if equipped) 30. Shift solenoid-A (A/T) 49. Camshaft position sensor
14. A/C condenser fan motor (if equipped) 31. Transmission range switch (sensor) (A/T) 50. Crankshaft position sensor (if equipped)
15. Knock sensor 32. A/T input speed sensor (A/T) 51. Monitor connector (if equipped)
16. Malfunction indicator lamp 33. A/T vehicle (output) speed sensor (A/T) 52. Engine control module
(Powertrain control module)
TERMINAL CIRCUIT TERMINAL CIRCUIT TERMINAL CIRCUIT
E61-1 Power source for CO adjusting resistor
(if equipped)E61-13 Data link connector E61-25—
E61-2 Power source for back up E61-14 Test switch terminal (if equipped) E61-26—
E61-3—E61-15 Rear defogger switch (if equipped) E61-27—
E61-4 Cruise control module
(Throttle opening signal)E61-16 Heater blower switch E61-28—
E61-5 Duty output terminal (if equipped) E61-17 A/C signal (if equipped) E61-29 Diag. switch terminal (if equipped)
E61-6 Tachometer E61-18—E61-30 ABS control module (if equipped)
E61-7 MIL (“SERVICE INGINE SOON” lamp) E61-19“4WD” lamp E61-31 Power/Normal change switch (A/T)
E61-8 A/C cut signal (if equipped) E61-20“O/D OFF” lamp (A/T) E61-32 Lighting switch
E61-9 Main relay E61-21“POWER” lamp (A/T) E61-33 O/D cut switch (A/T)
E61-10 CO adjusting resistor (if equipped) E61-22 A/C fan motor relay (if equipped) E61-34 Stop lamp switch (Brake pedal switch)
E61-11—E61-23 Fuel pump relay E61-35 Cruise control module (if equipped)
E61-12—E61-24 Ground for CO adjusting resistor (if
equipped)
Page 413 of 656
7B1-4 AUTOMATIC TRANSMISSION (4 A/T)
Electronic Shift Control System
1. PCM (ECM) 9. Transmission range sensor 17. MIL (“SERVICE ENGINE SOON” lamp)
2. VSS 10. Shift solenoid-A 18. O/D off switch
3. CMP sensor 11. Shift solenoid-B 19. P/N change switch
4. TP sensor 12. TCC solenoid 20. 4WD low switch
5. ECT sensor 13. Data link connector 21. Main relay
6. Stop lamp switch 14. Cruise control module 22. Ignition switch
7. Input shaft speed sensor 15.“POWER” lamp 23. Battery
8. Output shaft speed sensor 16.“O/D OFF” lamp 24. PCM (ECM) connector terminal (viewed from harness side)
5V
5V5V
5V5V
5V
5V 5V C51-1-14
C51-1-12
C51-1-13
C51-3-26
C51-3-12
C51-3-13
C51-3-9
C51-3-2
C51-3-24
C51-1-11
C51-1-10
C51-1-20 C51-1-21
C51-1-23
C51-1-22
C51-1-7
C51-1-6
C51-1-19
C51-1-18
C51-1-28
C51-1-27
C51-1-2
C51-1-1
C51-1-8
E61-13
E61-35
E61-4C51-1-26 E61-31 E61-33 E61-21 E61-20 E61-7
C51-3-20
E61-2
E61-9
C51-3-4
C51-3-15
C51-3-6
C51-3-17
C51-2-7
12V
12V 12V 12V
12V
12V
12V
12V
5V
12V
BLU/YEL
YEL/GRN
YEL/BLU
GRY/YEL
GRY/YEL
GRY/RED
RED/GRN
ORN/BLU
GRY/YEL
BLU/YEL
BLU/GRN
WHT
ORN
ORN/GRN
RED P
R
N
D
2
LORN/BLU
YEL/GRN
GRN/ORN
GRN/BLU
GRN
GRN/RED
GRN/YEL
PPL/RED
PNK/BLU
GRY
PPL/YEL
WHT/BLK
GRY/BLU
YEL/RED
ORN/BLU
WHT
BLU
BLU/BLK
BLU/BLK
BLK/GRN
BLK/ORN
BLK/GRNBLK/WHT ORN/WHT
8
7
23 22
35 346
20 21
335
19
3218
3117
3016 15
2914
284
13
273
12
26112
10
256
5
17 16
26 252
1
98
21 202
1
98
22 21 1
9
247
20
306
19
2918
27 17
2816 15
2614
25 5
13 4
12
24113
10
23 7
19
28654 3
18
2717 16
2615 14
2513
2412
2311
2210 4
15 14
2413
2312
2211 10 9 8 7
213
202
191
18
24
E61 C51-3 C51-1 C51-2 14
13
B+
B+
17
16
15
18
19
20
22
21
23
BB+
IG1
B+
IG2
1 2
3
4
5
7 6
8
IG1
9
10
11
12
BB+
E61-34 GRN/WHT
BB+
Page 424 of 656
AUTOMATIC TRANSMISSION (4 A/T) 7B1-15
Trouble Diagnosis Table 1
Trouble Diagnosis Table 2
TRANSMISSION FLUID
RUNNING CONDITION
4 Perform stall test, time rag test, line pressure test,
engine brake test and “P” range test referring to
“STALL TEST”, “LINE PRESSURE TEST”, “ENGINE
BRAKE TEST” and ““P” RANGE TEST” in this section.
Are the test results satisfactory?Go to Step 5. Proceed to “TROUBLE
DIAGNOSIS TABLE 3” in
this section.
5 Proceed to “TROUBLE DIAGNOSIS TABLE 2” in this
section.
Is trouble identified?Repair or replace
defective parts.Proceed to “TROUBLE
DIAGNOSIS TABLE 3” in
this section. Step Action Yes No
Condition Possible Cause Correction
TCC does not operateBrake pedal (stop lamp) switch or its circuit
faulty (H25 engine only)Refer to “DIAGNOSTIC FLOW
TABLE A-1” in this section.
4WD low switch or its circuit faulty
Engine coolant temp. sensor or its circuit faulty
Cruise control signal circuit faulty (if equipped)
Gear does not change
to 4thO/D off switch or its circuit faulty Refer to “DIAGNOSTIC FLOW
TABLE A-2” in this section.
4WD low switch or its circuit faulty
Engine coolant temp. sensor or its circuit faulty
Cruise control signal circuit faulty (if equipped)
Condition Possible Cause Correction
Low fluid pressureClogged oil pump strainer Wash strainer.
Malfunction of pressure regulator valve Overhaul valve body.
High fluid pressurePressure regulator valve Overhaul valve body.
Condition Possible Cause Correction
Unable to run in all
rangeRegulator valve stick Replace.
Clogged oil strainer Wash strainer.
Seized or broken planetary gear Repair or replace.
Faulty manual valve Replace.
Poor 1st speed run-
ning or excessive slip-
page in “D” or “2”Faulty 1–2 shift valve Replace.
Page 427 of 656
7B1-18 AUTOMATIC TRANSMISSION (4 A/T)
Table A-1 : No TCC Lock-Up Occurs
SYSTEM DESCRIPTION
PCM turns TCC solenoid OFF under any of the following conditions.
•Brake pedal switch : ON
•4WD LOW switch : ON
•Cruise control module : TCC OFF command signal is output (if equipped).
•ECT : ECT < 30 °C (86 °F)
TROUBLESHOOTING
WARNING:
When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and very careful during testing to avoid occurrence of an accident.
Road test should be carried out with 2 person, a driver and tester, on a level road.
Step Action Yes No
1Was “AUTOMATIC TRANSMISSION DIAG-
NOSTIC FLOW TABLE” performed?Go to Step 2. Go to “AUTOMATIC
TRANSMISSION DIAG-
NOSTIC FLOW TABLE” in
this section.
2 ECT check :
1) Warm up engine to normal operating tem-
perature.
2) Check ECT using scan tool.
Is ECT more than 30 °C (86 °F)?Go to Step 3. Faulty ECT sensor, its cir-
cuit or engine cooling sys-
tem.
If OK, substitute a known-
good PCM and recheck.
3 Perform running test under the following condi-
tions and check voltage between C51-1-8 termi-
nal of PCM coupler and ground.
•Normal mode in “D” range.
•Transfer “2H” position.
•Cruise control is not operated (if equipped).
•Brake pedal released.
•Drive vehicle with TCC ON condition refer-
ring to “TCC LOCK-UP DIAGRAM” in this
section.
Is it battery voltage?Faulty TCC solenoid
valve, its circuit or trans-
mission.Go to Step 4.
4 Brake switch signal inspection :
With ignition switch ON, check voltage between
E61-34 terminal of PCM coupler terminal and
ground.
Brake switch specification
Brake pedal released : 0 V
Brake pedal depressed : Battery voltage
Is the result as specified?Go to Step 5. Faulty brake pedal switch
or its circuit.
If OK, substitute a known-
good PCM and recheck.