P1815
P1815 MANUAL MODE SWITCHDescription
Manual mode switch is installed in A/T device. It transmits manual mode switch, shift up and shift down switch signals to unified meter and A/C amp. then unified meter and A/C amp. transmits signals to TCM with CAN communication.
Paddle shifter transmits shift up and shift down switch signals to unified meter and A/C amp., then unified meter and A/C amp. transmits signals to TCM with CAN communication. (With paddle shifter)
TCM transmits the switch signals to unified meter and A/C amp. by CAN communication line. Then manual mode switch position is indicated on the A/T indicator. For inspection, . Component Tests and General Diagnostics
DTC Logic
DTC DETECTION LOGIC
P1815:
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: If "DTC CONFIRMATION PROCEDURE" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1. CHECK DTC DETECTION
With CONSULT-III
1. Start the engine.
2. Select "DATA MONITOR".
3. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
MANU MODE SW: ON
Is "P1815 MANU MODE SW/CIRC" detected?
YES >> Go to, "Diagnosis Procedure".
NO >> Check Intermittent incident. Refer to, "Intermittent Incident". Testing and Inspection
Diagnosis Procedure
1. CHECK MANUAL MODE SWITCH CIRCUIT
With CONSULT-III
1. Turn ignition switch ON.
2. Select "DATA MONITOR".
3. Check the ON/OFF operations of each monitor item.
Without CONSULT-III
Drive the vehicle in the manual mode and shift the select lever and paddle shifter* to "UP (+ side)" or "DOWN (- side)" side (1st [=] 5th gear). Check that the meter indicator coincides with the actual gear position.
*: With paddle shifter
Which item is abnormal?
A/T device >> GO TO 2.
Paddle shifter >> GO TO 5.
2. CHECK MANUAL MODE SWITCH
Check manual mode switch. Refer to, "Component Inspection (Manual Mode Switch)". P1815
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3. CHECK HARNESS BETWEEN A/T DEVICE HARNESS CONNECTOR AND UNIFIED METER AND A/C AMP. HARNESS CONNECTOR
1. Disconnect A/T device harness connector and unified meter and A/C amp. harness connector.
2. Check continuity between A/T device harness connector and unified meter and A/C amp. harness connector.
3. If OK, check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace open circuit or short to ground and short to power in harness or connectors.
4. CHECK GROUND CIRCUIT
1. Check continuity between A/T device harness connector and ground.
2. If OK, check harness for short to power.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Replace open circuit or short to ground and short to power in harness or connectors.
5. CHECK PADDLE SHIFTER
Check paddle shifter. Refer to, "Component Inspection (Paddle Shifter)". P1815
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace damaged parts.
6. CHECK HARNESS BETWEEN PADDLE SHIFTER HARNESS CONNECTOR AND UNIFIED METER AND A/C AMP. HARNESS CONNECTOR
1. Disconnect paddle shifter harness connector and unified meter and a/c amp. harness connector.
2. Check continuity between paddle shifter harness connector and unified meter and A/C amp. harness connector.
3. If OK, check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace open circuit or short to ground and short to power in harness or connectors.
7. CHECK GROUND CIRCUIT
1. Check continuity between paddle shifter harness connector and ground.
2. If OK, check harness for short to power.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Replace open circuit or short to ground and short to power in harness or connectors.
8. CHECK UNIFIED METER AND A/C AMP.
Check unified meter and A/C amp. Refer to, "SHIFT POSITION INDICATOR: System Diagram". Testing and Inspection
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace damaged parts.
9. CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to, "Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace the control valve with TCM.
NO >> Repair or replace damaged parts.
Component Inspection (Manual Mode Switch)
1. CHECK MANUAL MODE SWITCH
Check continuity between terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace damaged parts.
Component Inspection (Paddle Shifter)
1. CHECK PADDLE SHIFTER
1. Remove paddle shifter.
2. Check continuity between terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace damaged parts.