Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Shift solenoid ”b” control circuit
low/high
Toyota Corolla (E120): Shift solenoid ”b” control circuit low/high
Dtc p0976 shift solenoid ”b” control circuit low (shift solenoid valve s2)
Dtc p0977 shift solenoid ”b” control circuit high (shift solenoid valve s2)
Other materials:
Problem symptoms table
Hint:
use the table below to help determine the cause of the problem. The numbers
indicate the priority of the
likely cause of the problem. Check each part in order. If necessary, replace
these parts.
1. Headlamp and tail lamp
2. Front fog lamp system
3. Turn signal and hazard warni ...
Inspection
1. Fuel injector assy
Inspect injector resistance.
Using an ohmmeter,measure the resistance between
the terminals.
Resistance: 13.4 – 14.2 Ω at 20 c (68 f)
Inspect injector inspection
Caution:
keep injector clear of sparks during the test.
Purch ...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...