Montero V6-3.8L SOHC (2005)
YES: Go to Step 2.
NO: Refer to Inspection Procedure K-1 "Turn-signal lights do not flash when the turn signal light switch is operated P.54B-359."
STEP 2. Check the input signal (by using the pulse check mode of the monitor.)
Check input signal from the hazard warning light switch.
CAUTION: To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.
1. Connect scan tool MB991502 to the data link connector (16-pin).
2. Operate scan tool MB991958 according to the procedure below to display "PULSE CHECK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "PULSE CHECK."
3. Verify that scan tool MB991958 sounds when the hazard warning light switch is turned from "OFF" to "ON."
Q: Does scan tool MB991958 sound when the hazard warning light switch is turned from "OFF" to "ON"?
YES: Replace the ETACS-ECU. Verify that the hazard warning lights illuminate normally.
NO: Refer to Inspection Procedure P-2 "ETACS-ECU does not receive any signal from the hazard warning light switch."
Inspection Procedure K-3
Frasher timer: One of the turn-signal lights do not illuminate.
