VTSS Test 7A - Horn Inoperative In Theft Mode
NOTE:
Perform VTSS TEST 1A
before proceeding with this test. For connector terminal identification, refer to CONNECTOR IDENTIFICATION
. For wiring diagrams, refer to WIRING DIAGRAMS
. Perform, after each repair, VERIFICATION TEST VER-1A - VERIFICATION PROCEDURE
.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
- Press horn button on steering wheel. If horn does not sound, go to STEERING COLUMN SWITCHES article in this Section. If horn sounds, go to next step. 2 Locate Central Timer Module (CTM). CTM is located behind right kick panel. Disconnect CTM 18-pin connector "B". Using an external voltmeter, measure voltage between ground and CTM 18-pin connector "B" terminal No. 18 (Black/Red wire). If voltage is more than 9.5 volts, replace CTM. If voltage is 9.5 volts or less, repair open in Black/Red wire between CTM and horn relay.