1.CHECK OD OFF INDICATOR LAMP FUNCTION
Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition switch turns ON.
Is the inspection results normal?
YES >> GO TO 2.
NO >> Go to TM "Diagnosis Procedure".
2.CHECK OVERDRIVE CONTROL SWITCH FUNCTION
Is the inspection results normal?
YES >> INSPECTION END
NO >> Go to TM "Diagnosis Procedure".
1.CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK OVERDRIVE CONTROL SWITCH
Check overdrive control switch. Refer to TM "Component Inspection (Overdrive Control Switch)".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning parts.
3.CHECK GROUND CIRCUIT
Check continuity between CVT shift selector harness connector terminal and
ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CHECK CIRCUIT BETWEEN COMBINATION METER AND CVT SHIFT SELECTOR (PART 1)
*1: TYPE A (Refer to MWI "Information".) *2: TYPE B (Refer to MWI "Information".)
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace malfunctioning parts.
5.CHECK CIRCUIT BETWEEN COMBINATION METER AND CVT SHIFT SELECTOR (PART 2)
Check continuity between combination meter harness connector terminal and
ground.
*1: TYPE A (Refer to MWI-55, "Information".) *2: TYPE B (Refer to MWI-5, "Information".)
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning parts.
6.CHECK COMBINATION METER INPUT SIGNAL
Check that "O/D OFF SW" turns ON/OFF when overdrive control switch is operated. Refer to MWI "Reference Value".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> Replace combination meter. Refer to MWI "Removal and Installation".
Component Inspection (Overdrive Control Switch)
1.CHECK OVERDRIVE CONTROL SWITCH
Check continuity between wires of selector lever knob (1)
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace selector lever knob. Refer to TM"Removal and Installation".
Diagnosis Procedure 1.CHECK TCM POWER CIRCUIT (PART 1) Turn ignition switch OFF. Disconnect TCM connector. Check voltage between TCM harness connector terminals and ground. & ...
Component Function Check 1.CHECK OD OFF INDICATOR LAMP FUNCTION Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition switch turns ON. Is the inspection results normal? YES &g ...
Intake valve timing control
Intake valve timing control : System Diagram
Intake valve timing control : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*1
Piston position
Intake valve timing
con ...
P0977 Shift solenoid B
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0977
Shift Solenoid B Control Circuit
High
The following diagnosis conditions
are met, and the TCM low
clutch solenoid valve current
monitor reading is 200 ...