Suzuki SX4 Service Manual page 724

5A-24 Automatic Transmission/Transaxle:
DTC No.
P0787 Shift / Timing solenoid Control Circuit Low
P0788 Shift / Timing solenoid Control Circuit High
Pressure control solenoid control circuit
P0962
low
Pressure control solenoid control circuit
P0963
high
P0973 Shift solenoid-A (No.1) control circuit low
P0974 Shift solenoid-A (No.1) control circuit high
P0976 Shift solenoid-B (No.2) control circuit low
P0977 Shift solenoid-B (No.2) control circuit high
Pressure Control Solenoid "A" Control
P0961
Circuit Range / Performance
Internal control module memory check
P1702
sum error
P1723 Range select switch malfunction
P1878 Torque converter clutch shudder
Torque Converter Clutch (TCC) Pressure
P2762 Control Solenoid Control Circuit Range /
Performance
Torque converter clutch pressure control
P2763
solenoid control circuit high
Torque converter clutch pressure control
P2764
solenoid control circuit low
U0073 Control module communication bus off
Trouble area Fail-safe operation
• Power supply for all solenoid valves is cut.
• Gear position is fixed in 3rd gear.
• Line pressure control at gear shifting is inhibited.
• Look-up function is inhibited to operate.
• Upshifting to 4th gear is inhibited.
• Lock-up function is inhibited to operate.
• Slip controlled lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
• Torque reducing request to ECM (torque reduction control)
is inhibited.
• Garage shift control is inhibited.
• Leaning control is inhibited.
• Power supply for all solenoid valves is cut.
• Gear position is fixed in 3rd gear.
• Line pressure control at gear shifting is inhibited.
• Lock-up function is inhibited to operate.
"3" position switch is assumed to be OFF.
Slip controlled lock-up function is inhibited to operate.
• Lock-up function is inhibited to operate.
• Slip controlled lock-up function is inhibited to operate.
• Upshifting to 4th gear is inhibited when Transmission Fluid
Temperature is 150 °C (302 °F) or more.
• Gear position is fixed in 1st gear when vehicle speed is 10
km/h (6 mile/h) or less.
• Lock-up function is inhibited to operate.
• Upshifting to 4th gear is inhibited when A/T fluid
temperature is more than 150 °C (302 °F).
• Vehicle speed is slower than 10 km/h (6 mile/h), gear
position is fixed in 1st gear for prevention of engine stall.
• Lock-up function is inhibited to operate.
• Upshifting to 4th gear is inhibited when A/T fluid
temperature is more than 150 °C (302 °F).
• Throttle opening used for line pressure control is assumed
to be 100%.
• Throttle opening used for gear shifting control is assumed
to be 0%.
• Engine revolution is assumed to be 0 RPM.
• After 15 minutes pass from detecting malfunction, engine
coolant temperature is assumed to be 90 °C (194 °F).
• Lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
• Torque reducing request to ECM (torque reduction control)
is inhibited.
• Upshifting to 4th gear is inhibited.
• Garage shift control is inhibited.
• Learning control is inhibited.