TOYOTA SEQUOIA 2001 Service Repair Manual

SPARK TEST
Replace the crankshaft position sensor.
CHECK CONNECTION OF IGNITION COIL
CONNECTOR
CHECK RESISTANCE OF CRANKSHAFT POSITION
Resistance:Cold Hot
CHECK IGT SIGNAL FROM ECM
(See page DI±221)
REPAIR WIRING BETWEEN IGNITION COIL
AND ECM
Connect securely.
Check wiring between ignition switch
to ignition coil (with igniter).
Check ECM (See page IN±35)
NG
OK
OK
OKBAD
BAD
BAD
CHANGE IT TO NORMAL IGNITION COIL (WITH
IGNITER) AND PERFORM SPARK TEST AGAIN
OKReplace the ignition coil (with igniter).
NO
OK
985 ± 1,600 W1,265 ± 1,890 WBAD
CHECK POWER SUPPLY TO IGNITION COIL (WITH
1. Turn ignition switch to ON.
2. Check that there is battery voltage at ignition coil positive (+)
terminal.IGNITER)
CHECK TDC
NG
SENSOR (See page IG±12)
B03198
16 mm Plug Wrench
IG±2
± IGNITIONIGNITION SYSTEM
2863 Author: Date:
2005 SEQUOIA (RM1146U)
If the spark does not occur, do the test as follows:
(7) Using a 16 mm plug wrench, install the spark plugs.
Torque: 17.5 N´m (180 kgf´cm, 13 ft´lbf)
(8) Reinstall the ignition coils (with igniter).
(see page IG±6)
2. INSPECT SPARK PLUGS
(a) Remove the ignition coils (with igniter).
(see page IG±5)
(b) Using a 16 mm plug wrench, remove the spark plugs.

IG0152
IG0148
P03792
± IGNITIONIGNITION SYSTEM
IG±3
2864 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Clean the spark plugs.
If the electrode has traces of wet carbon, allow it to dry and then
clean with a spark plug cleaner.
Air pressure: Below 588 kPa (6 kgf/cm
2, 85 psi)
Duration: 20 seconds or less
HINT:
If there are traces of oil, remove it with gasoline before using the
spark plug cleaner.
(d) Check the spark plug for thread damage and insulator
damage.
If abnormal, replace the spark plug.
Recommended spark plug:
DENSO madeSK20R11
NGK madeIFR6A11
(e) Adjust the spark plug electrode gap.
Electrode gap: 1.0 to 1.1 mm (0.039 to 0.043 in.)
(f) Using a 16 mm plug wrench, install the spark plugs.
Torque: 17.5 N´m (180 kgf´cm, 13 ft´lbf)
(g) Reinstall the ignition coils (with igniter).
(see page IG±6)

IG08Q±06
B07248
Ignition Coil (with Igniter) Connector
Ignition Coil (with Igniter)
N´m (kgf´cm, ft´lbf) : Specified torque
7.5 (76, 66 in.´lbf)
IG±4
± IGNITIONIGNITION COIL
2865 Author: Date:
2005 SEQUOIA (RM1146U)
IGNITION COIL
COMPONENTS

IG08R±05
B04085
± IGNITIONIGNITION COIL
IG±5
2866 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
1. DISCONNECT IGNITION COIL (WITH IGNITER) CON-
NECTORS
2. REMOVE IGNITION COILS (WITH IGNITER)
Remove the bolt, and pull out the ignition coil (with igniter). Re-
move the 8 ignition coils (with igniter).

IG0EN±04
B04085
IG±6
± IGNITIONIGNITION COIL
2867 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
1. INSTALL IGNITION COILS (WITH IGNITER)
Install the ignition coil (with igniter) with the bolt. Install the 8
ignition coils (with igniter).
Torque: 7.5 N´m (76 kgf´cm, 66 in.´lbf)
2. CONNECT IGNITION COIL (WITH IGNITER) CONNEC-
TORS

IG08T±08
B17486
Drive Belt
Camshaft Position
Sensor Connector
Grommet
Engine Wire Camshaft Position Sensor
Oil Cooler Pipe
LH No.3 Timing Belt Cover
± IGNITIONCAMSHAFT POSITION SENSOR
IG±7
2868 Author: Date:
2005 SEQUOIA (RM1146U)
CAMSHAFT POSITION SENSOR
COMPONENTS

IG08U±08
B17487
IG±8
± IGNITIONCAMSHAFT POSITION SENSOR
2869 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE DRIVE BELT (See page CH±7)
3. REMOVE LH NO.3 TIMING BELT COVER
(See page EM±16)
4. REMOVE CAMSHAFT POSITION SENSOR
Remove the bolt, stud bolt and camshaft position sensor.

IG08V±06
B17487
± IGNITIONCAMSHAFT POSITION SENSOR
IG±9
2870 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
1. INSTALL CAMSHAFT POSITION SENSOR
Install the camshaft position sensor with the bolt and stud bolt
Torque: 7.5 N´m (80 kgf´cm, 66 in.´lbf)
2. INSTALL LH NO.3 TIMING BELT COVER
(See page EM±23)
3. INSTALL DRIVE BELT (See page CH±16)
4. FILL ENGINE COOLANT (See page CO±2)
5. CHECK ENGINE COOLANT FOR LEAKS
6. CHECK IGNITION TIMING (See page EM±9)

IG08W±06
B07249N´m (kgf´cm, ft´lbf): Specified torque
Crankshaft Position Sensor
Engine Under Cover (2WD)Crankshaft Position
Sensor Connector
Engine Under Cover (4WD)
x 5
6.5 (65, 58 in.´lbf)
29 (296, 21)
29 (296, 21)
IG±10
± IGNITIONCRANKSHAFT POSITION SENSOR
2871 Author: Date:
2005 SEQUOIA (RM1146U)
CRANKSHAFT POSITION SENSOR
COMPONENTS

IG08X±05
B07251
± IGNITIONCRANKSHAFT POSITION SENSOR
IG±11
2872 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
1. REMOVE ENGINE UNDER COVER
2. REMOVE CRANKSHAFT POSITION SENSOR
(a) Disconnect the crankshaft position sensor connector.
(b) Remove the bolt and crankshaft position sensor.