NOTE
Be sure the battery is fully charged.
Do not disconnect the ECU connectors.
Special Tool - Needle Adapter Set: 57001-1457
Stick Coil Input Voltage Connections to ECU Connector: For Stick Coil #1 Digital Meter (+) → BK lead (terminal 65) Digital Meter (–) → Frame Ground terminal
For Stick Coil #2
Digital Meter (+) → BK/R lead (terminal 52) Digital Meter (–) → Frame Ground terminal
For Stick Coil #3
Digital Meter (+) → BK/W lead (terminal 78) Digital Meter (–) → Frame Ground terminal
For Stick Coil #4
Digital Meter (+) → BK/O lead (terminal 51) Digital Meter (–) → Frame Ground terminal
Input Voltage Standard: Battery Voltage
If the input voltage is out of the standard, check the wiring for continuity (see Stick Coil Circuit)
Special Tool - Hand Tester: 57001-1394
If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection in the Fuel System (DFI) chapter).
If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).
If the input voltage is within the standard, check the ECU for its ground and power supply (see ECU Power Supply Inspection in the Fuel System (DFI) chapter).
If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).
Stick Coil Circuit
1. ECU
2. Engine Stop Switch
3. Stick Coil #1
4. Stick Coil #2
5. Stick Coil #3
6. Stick Coil #4
7. Ignition Switch
8. Joint Connector F
9. Fuse Box 1
10. Ignition Fuse 15 A
11. Frame Ground 1
12. Starter Relay
13. Main Fuse 30 A
14. Battery
15. Engine Ground
Idle Speed Control Valve Actuator Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Disconnect the idle speed control valve actuator connector
and connect a suitable measuring leads [A] between
these connectors as shown in the figure.
Main Harness [B]
Idle Speed Control Valve Actua ...
Valve Guide Installation
Apply engine oil to the valve guide outer surface before
installation.
Heat the area around the valve guide hole to about 120
150°C (248 302°F).
NOTICE
Do not heat the cylinder head with a torch. This will
warp the cylinder head. Soak the cylinder head and
heat the oil.
Usin ...
Switch Inspection
Using a hand tester, check to see that only the connections
shown in the table have continuity.
Special Tool - Hand Tester: 57001-1394
For the switch housings and the ignition switch, refer to
the tables in the Wiring Diagram.
If the switch has an open or short, repair it or replace it
w ...