Horn Reminder Check

CHECK HORN CHIRP OPERATION
With CONSULT-II
- Check horn chirp "HORN" in "ACTIVE TEST" mode with CONSULT-II.
- Perform operation shown on display.
  : Horn should sound.
  
  Fig 1: CONSULT-II Display - HORN
  Courtesy of NISSAN MOTOR CO., U.S.A.
With out CONSULT-II
1. Disconnect BCM connector.
2. Apply ground to BCM connector E204 terminal 127 (G/W).
  : Horn should sound.
OK or NG?
1. OK >> Horn alarm is OK.
2. NG >> GO TO 2
Fig 2: Checking Horn Chirp Operation
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK HORN RELAY
Check horn relay condition.

OK or NG?
1. OK >> GO TO 3.
2. NG >> Replace horn relay.
CHECK POWER SUPPLY FOR HORN RELAY
1. Disconnect horn relay connector.
2. Check voltage between horn relay connector E3-5 terminal 2 (G/W) and ground.
  Battery voltage should exist.
OK or NG?
1. OK >> GO TO 4.
2. NG >> Check the following.
  - 15A fuse [No. 56, located in the fuse, fusible link and relay block (J/B)]
  - Harness for open or short between horn relay and fuse
Fig 3: Checking Power Supply For Horn Relay
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK HORN RELAY CIRCUIT
1. Disconnect horn relay connector.
2. Check voltage between horn relay connector E3-5 terminals 1 (G/W) and 3 (G).
  Battery voltage should exist.
OK or NG?
1. OK >> Replace BCM.
2. NG >> Check harness for open or short between horn relay and BCM.
Fig 4: Checking Horn Relay Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.