4wd Control Ecu
ComponentsMain Body ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Main Body ECU Communication Stop Mode
Either condition is met:
Communication stop for "Main Body" is indicated on the "Communication
Bus Check" screen ...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT PROPELLER SHAFT UNIVERSAL JOINT SPIDER BEARING
(a) Check the spider bearings for wear and damage.
(b) Check each spider bearings axial play by turning the yoke while holding the
shaft tightly.
Maximum bearing axial play:
0 to 0.05 mm (0 to 0.00197 in.)
If t ...
Pressure Control Solenoid "C" Circuit Open (P079513)
DESCRIPTION
Changing from 1st to 6th is performed by the ECM turning shift solenoid valves
SL1, SL2, SL3 and SL4 on and off. If an open or short circuit occurs in any of the
shift solenoid valves, the ECM controls the remaining normal shift solenoid valves
to allow the vehicle to be operated ...