Engine mechanical symptom diagnosis
Refer to “engine symptom diagnosis” in section 1a .
Compression pressure check
The compression pressure reading of a cylinder is a good indicator of its internal condition.
The decision to overhaul the cylinder is often based on the results of a compression test. Periodic maintenance records kept at your dealership should include compression readings for each maintenance service.
Note
|
Special tool
(a): 09915–64512 (compression
gauge)
(b): 09915–63311 (compression gauge
attachment)
Compression pressure specification
Low compression pressure can indicate any of the following conditions:
Overhaul the engine in the following cases:
DTC “c41” (p2505): ecm power input signal
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C41/P2505
No voltage is applied to the ecm.
Lead wire/coupler connection of ecm terminal to fuel
fuse.
Fuel fuse.
Wiring diagram
Troubleshooting
C ...
Specifications
Service data
Drive train
unit: mm (in) except ratio
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Transmission components” “gearshift lever construction”
“gearshift shaft / gearshift cam plate componen ...
Ecm / various sensors
Since each component is a high-precision part, great
care should be taken not to apply any severe impacts
during removal and installation.
Be careful not to touch the electrical terminals of the
electronic parts (ecm, etc.). The static electricity from
your body may damage them. ...