TROUBLE DIAGNOSES — Electrical Components Inspection (Cont'd)
AT-65spec tableApplicable to automatic transmission (A/T) equipped vehicles. Terminal numbers refer to ECU/control unit connector terminals.
Electrical Components Inspection (Cont'd)
Electrical Components Inspection — Terminal Specifications (Terminals 28–36)
28
ItemPower source (Back-up)
ConditionWhen turning ignition switch to "OFF".
Judgement standardBattery voltage
28
ItemPower source (Back-up)
ConditionWhen turning ignition switch to "ON".
Judgement standardBattery voltage
29, 30
ItemPower source
ConditionWhen turning ignition switch to "ON".
Judgement standardBattery voltage
29, 30
ItemPower source
ConditionWhen turning ignition switch to "OFF".
Judgement standard1V or less
31, 32
ItemGround
Condition—
Judgement standard—
33
ItemLine pressure solenoid (with dropping resistor)
ConditionWhen releasing accelerator pedal after warming up engine.
Judgement standard5 - 14V
33
ItemLine pressure solenoid (with dropping resistor)
ConditionWhen depressing accelerator pedal fully after warming up engine.
Judgement standard0.5V or less
34
ItemLine pressure solenoid
ConditionWhen releasing accelerator pedal after warming up engine.
Judgement standard1.5 - 2.5V
34
ItemLine pressure solenoid
ConditionWhen depressing accelerator pedal fully after warming up engine.
Judgement standard0.5V or less
35
ItemShift solenoid A
ConditionWhen shift solenoid A operates. (When driving in "D1" or "D4".)
Judgement standardBattery voltage
35
ItemShift solenoid A
ConditionWhen shift solenoid A does not operate. (When driving in "D2" or "D3".)
Judgement standard1V or less
36
ItemShift solenoid B
ConditionWhen shift solenoid B operates. (When driving in "D1" or "D2".)
Judgement standardBattery voltage
36
ItemShift solenoid B
ConditionWhen shift solenoid B does not operate. (When driving in "D3" or "D4".)
Judgement standard1V or less
OVERDRIVE SWITCH
Check continuity between two terminals.
Overdrive Switch Continuity Check
ON
ContinuityNo
OFF
ContinuityYes