AUTOMATIC TRANSMISSION -
General/Troubleshooting
23-2
GENERAL
OUTLINE OF CHANGES
The following service procedures for items which are different from before have been established to
correspond to the following changes:
D
The ECU has been changed from the A/T-ECU to the engine-A/T-ECU.
TROUBLESHOOTING
INSPECTION CHART FOR DIAGNOSIS CODE
Code
Diagnosis item
Reference page
11
Throttle position sensor system (TPS)
Short circuit
23-3
12
Open circuit
23-3
14
Sensor maladjustment
23-3
15
A/T fluid temperature sensor system
Open circuit
23-3
21
Crank angle sensor system
Open circuit
23-3
22
Input shaft speed sensor system
Short circuit/open circuit 23-4
23
Output shaft speed sensor system
Short circuit/open circuit 23-5
25
Wide open throttle switch system
Short circuit
23-5
26
Stop lamp switch system
Short circuit/open circuit 23-6
31
Low and reverse solenoid valve system
Short circuit/open circuit 23-6
32
Underdrive solenoid valve system
Short circuit/open circuit 23-6
33
Second solenoid valve system
Short circuit/open circuit 23-6
34
Overdrive solenoid valve system
Short circuit/open circuit 23-6
36
Damper control clutch solenoid valve system
Short circuit/open circuit 23-7
41
1st gear ratio does not meet the specification
23-8
42
2nd gear ratio does not meet the specification
23-8
43
3rd gear ratio does not meet the specification
23-8
44
4th gear ratio does not meet the specification
23-8
46
Reverse gear ratio does not meet the specification
23-8
52
Damper control clutch solenoid valve system
Defective system
23-7
54
A/T Control relay system
Short circuit to earth/
open circuit
23-9
56
N range lamp system
Short circuit to earth
23-9
