PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
While in 2WD, even when the transfer position switch is turned to a position other than 2WD, the 4WD indicator light (green) and 4LO indicator light do not illuminate |
ECU power source circuit |
|
CAN communication system |
|
|
Combination meter assembly |
||
Transfer position switch |
||
4 wheel drive control ECU |
||
While in 4WD, even when the transfer position switch is turned to a position other than H4, the 4WD indicator light (green) remains on and the 4LO indicator light does not illuminate |
ECU power source circuit |
|
Clutch start switch circuit (for Manual Transmission) |
|
|
Transfer position switch |
|
|
4 wheel drive control ECU |
||
While in 4WD, even when the transfer position switch is turned to a position other than L4, the 4WD indicator light (green) and 4LO indicator light remain illuminated |
ECU power source circuit |
|
Transfer position switch |
|
|
4 wheel drive control ECU |
||
CAN communication system |
||
The 4WD indicator light (green) continues blinking after the transfer position switch is operated |
ECU power source circuit |
|
Transfer shift actuator assembly (transfer shift motor) |
|
|
A.D.D. actuator (differential vacuum actuator assembly) (A.D.D. shift motor) |
||
Transfer shift actuator assembly (limit switch, 4WD detection switch or L4 detection switch) |
||
A.D.D. actuator (differential vacuum actuator assembly) (limit switch or A.D.D. position switch) |
||
4 wheel drive control ECU |
||
The 4LO indicator light continues blinking after the transfer position switch is operated |
ECU power source circuit |
|
Clutch start switch circuit (for Manual Transmission) |
|
|
Transfer shift actuator assembly (transfer shift motor) |
|
|
Transfer shift actuator assembly (limit switch, 4WD detection switch or L4 detection switch) |
||
4 wheel drive control ECU |
Blinking: Blinks at 0.5 second intervals (0.5 seconds on and 0.5 seconds off)
Horn Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Connection
...
Lost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0126,U0129,U0142,U0155)
DESCRIPTION
When a malfunction is detected between various ECUs and sensors, these DTCs are
stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM "A"
...
Removal
REMOVAL
PROCEDURE
1. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning System)
(See page )
2. REMOVE INTEGRATION PANEL SUB-ASSEMBLY (for Manual Cooler System)
(See page )
3. REMOVE TRANSFER POSITION SWITCH
(a) Detach the 2 claws to remove the transfer pos ...