7B1-74 AUTOMATIC TRANSAXLE (M13 ENGINE)
DTC P0974/P0977 Shift Solenoid-A (No.1) Control Circuit High/Shift Solenoid-
B (No.2) Control Circuit High
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC in TCM memory.
3) Start engine shift select lever to “D” range.
4) Start vehicle and increase vehicle speed until gear position reaches 3rd or 4th gear.
5) Decrease vehicle speed and stop vehicle.
6) Check DTC.
DTC Troubleshooting
1. TCM 3. Shift solenoid valve-B (No.2) [A]: Terminal arrangement of TCM connector (Viewed from harness side)
2. Shift solenoid valve-A (No.1) 4. A/T
DTC DETECTING CONDITION TROUBLE AREA
Voltage of shift solenoid valve TCM terminal is high
although TCM is commanding shift solenoid to turn OFF
• Shift solenoid valve circuit open or shorted to
power circuit.
• Malfunction of shift solenoid valve
• TCM
12V
12V
BRN
E13-16
E13-15
BLK/YEL
4
1
2
3
16 15
E13
E12
[A]
WARNING:
• When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and tester, on a level road.
Step Action Yes No
1Was “Automatic Transaxle Diagnostic Flow Table”
performed?
Go to Step 2. Go to “Automatic Tran-
saxle Diagnostic Flow
Tabl e ” in this section.
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