Description
BCM confirms the shift position with the following 2 signals.
CVT selector lever
P/N position switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic".
If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-30, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Start the engine under the following conditions and wait for at least 1 second.
CVT selector lever is in the P position.
Do not depress the brake pedal.
Shift to N and wait for at least 1 second.
Shift to any gear other than P or N and wait for at least 1 second.
Check "Self diagnostic result" with CONSULT.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-147, "Wiring Diagram" or SEC-128, "Wiring Diagram".
1.CHECK DTC WITH IPDM E/R
Check "Self diagnostic result" with CONSULT. Refer to PCS-27, "DTC Index".
2.CHECK TRANSMISSION RANGE SWITCH CIRCUIT
Turn ignition switch OFF.
Disconnect TCM harness connector and BCM harness connector.
Check continuity between TCM harness connector F15 (A) terminal 20 and BCM harness connector M18 (B) terminal 48.
4. Check continuity between TCM harness connector F15 (A) terminal 20 and ground.
3.CHECK CVT SHIFT SELECT POWER SUPPLY
Turn ignition switch OFF.
Disconnect CVT shift selector harness connector.
Check voltage between CVT shift selector harness connector M78 terminal 8 and ground.
4.CHECK CVT SHIFT SELECTOR POWER SUPPLY CIRCUIT
Disconnect BCM harness connector.
Check continuity between BCM harness connector M19 (A) terminal 84 and CVT shift selector harness connector M78 (B) terminal 8.
3. Check continuity between BCM harness connector M19 (A) terminal 84 and ground.
5.CHECK CVT SHIFT SELECTOR CIRCUIT
Disconnect BCM harness connector.
Check continuity between BCM harness connector M19 (A) terminal 87 and CVT shift selector harness connector M78 (B) terminal 9.
3. Check continuity between BCM harness connector M19 (A) terminal 87 and ground.
6.CHECK CVT SHIFT SELECTOR
Refer to SEC-52, "Component Inspection".
7.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
Inspection End.
Display unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Diagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can perform the following items.
Versions display
Channel check diagnosis
Key check diagnosis
AV communication diagnosis
VERSIONS DISPLAY FUNCTION
Turn ignition switch ON.
Turn the audio unit off.
While pressing "1" button, turn volume ...
Combination switch reading system
System Diagram
System Description
OUTLINE
BCM reads the status of the combination switch (light, turn
signal, wiper and washer) and recognizes the
status of each switch.
BCM has a combination of 5 output terminals (OUTPUT 1 - 5) and 5
input terminals (INPUT 1 - 5) and reads
a ...