Diagnostic Procedure

CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to "SELF-DIAGNOSTIC RESULT MODE ".

Is a malfunction in the CAN communication indicated in the results?

Yes: Check CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE ".

No: GO TO 2.
CHECK STOP LAMP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out ON/OFF switching action of the "BRAKE SW".
OK or NG

OK: INSPECTION END

NG: GO TO 3.

Fig 1: CONSULT-II Display Data Monitor Mode

CHECK STOP LAMP SWITCH

Check continuity between stop lamp switch terminals 3 and 4.

CONTINUITY SPECIFICATION

Condition	Continuity
When brake pedal is depressed	Yes
When brake pedal is released	No

Check stop lamp switch after adjusting brake pedal - refer to "BRAKE PEDAL ".

OK or NG

OK: Check stop lamp switch circuit.

NG: Repair or replace stop lamp switch.

Fig 2: Checking Continuity Between Stop Lamp Switch Terminals 3 And 4

G05229420