ECU Fuse Removal
Refer to the 30 A Main/15 A ECU Fuse Removal in the Electrical System chapter.
ECU Fuse Installation
If a fuse fails during operation, inspect the DFI system to determine the cause, and then replace it with a new fuse of proper amperage.
ECU Fuse Inspection
Refer to the Fuse Inspection in the Electrical System chapter.
ECU Main Relay Removal/Installation
The ECU main relay is built in the relay box [A].

ECU Main Relay Inspection
Refer to the Relay Circuit Inspection in the Electrical System chapter.
CAN Communication Line
Fuel LineRadiator Fan Relay Inspection
Refer to the Relay Circuit Inspection in the Electrical System
chapter
If the radiator fan relay is normal, check the wiring for
continuity, using the wiring diagram in this section.
Special Tool - Hand Tester: 57001-1394
If the wiring is good, check the ECU for its ground and
power supp ...
External Shift Mechanism Inspection
Examine the shift shaft [A] for any damage.
If the shaft is bent, straighten or replace it.
If the serration [B] are damaged, replace the shaft.
If the spring [C] is damaged in any way, replace it.
If the shift mechanism arm [D] is damaged in any way,
replace the shaft.
Check the s ...
Self-Diagnosis Outline
The self-diagnosis system is monitoring the following
mechanisms.
DFI System and Ignition System
S-KTRC System
Immobilizer System (Equipped Models)
KIBS and ABS (Equipped Models)
ESD (Electronic Steering Damper) System
(ZX1000JD/KD)
The following warning indicator lights (LED) are used for ...