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Home / DTC / B1095 — Relay turn on / off windshield wiper

B1095 — Relay turn on / off windshield wiper

Detailed page for trouble code B1095.

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Code

B1095

LAND ROVER B — Body

Relay turn on / off windshield wiper

Brand: LAND ROVER
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or sticking wiper relay
  • Blown fuse or poor fuse connection
  • Open, shorted or corroded wiring between BCM, relay and wiper motor
  • Poor ground at wiper motor or relay module
  • Faulty windscreen wiper motor drawing excessive current or mechanically jammed
  • Faulty BCM or relay driver inside BCM

Symptoms

  • Wipers fail to turn on when switched on
  • Wipers won’t turn off or stay stuck on
  • Intermittent operation of the wipers
  • Audible relay click with no motor movement or no click at all
  • Reduced or no wiper park function (wipers not returning to resting position)
  • Fuse blows repeatedly when wipers are operated

What to check

  • Read stored fault codes with an appropriate scan tool and record freeze-frame data
  • Visually inspect relay, relay socket, wiring harness, and connectors for corrosion, damage, water ingress or loose pins
  • Check relevant fuses and fuse holder for continuity and secure fit
  • Attempt to operate wipers and listen for relay clicking at the relay location
  • Backprobe relay coil/control pins while operating wiper switch to confirm control signal from BCM (12V or ground depending on design)
  • Measure battery voltage at relay power feed with wipers off and during operation (should be close to battery voltage)

Signal parameters

  • Supply voltage: ~12 V nominal at relay power terminal (should remain near battery voltage under load)
  • Control signal: switched +12 V or switched ground from BCM to relay coil when wipers commanded on (verify via backprobe)
  • Relay coil resistance: varies by relay model (typically tens to a few hundred ohms) — compare to service spec or identical relay
  • Typical wiper motor current: commonly ~5–15 A depending on load; stalled/jammed motor may draw significantly more

Diagnostic algorithm

  1. Connect scan tool, read/record B1095 and any related codes; clear codes and attempt to reproduce.
  2. Visually inspect relay, relay socket, harness and connectors for damage/corrosion; inspect fuses and fuse holder.
  3. With accessory power on, operate wipers and listen for relay click. If no click, backprobe relay control coil pin and verify BCM command (12 V or ground) when wiper switch is operated.
  4. Check battery voltage at relay power pin during operation; significant voltage drop indicates poor supply or high resistance connection.
  5. Check ground continuity for relay/motor circuits to chassis; repair any poor grounds.
  6. Measure current draw at the wiper motor with an ammeter while operating; high current suggests motor or mechanical binding—inspect/replace motor or linkage if needed.
  7. If control signal from BCM is correct and supply/ground are good but relay does not switch, replace relay and retest.
  8. If relay replacement does not cure and BCM does not provide correct control signal, perform BCM communications and module tests, check for software updates, and consider BCM repair/reprogramming per manufacturer procedure.
  9. After repairs, clear codes and perform full function test, including park and intermittent functions.

Likely causes

  • Faulty/unseated wiper relay
  • Blown wiper motor fuse or poor fuse holder connection
  • Open or shorted control wire between BCM and relay coil
  • Corroded relay socket or connectors
  • High current draw from a failing wiper motor causing relay to trip or weld contacts

Fault status

⚠️ Status
B1095 — Windshield wiper relay on/off circuit fault. Check relay, fuses, wiring, grounds, wiper motor and BCM control signals.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1096 B1100 B12A0 B1A00 U0100
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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Code

B1095

MITSUBISHI B — Body

PTC heater1 open

Brand: MITSUBISHI
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or sticking wiper relay
  • Blown fuse or poor fuse connection
  • Open, shorted or corroded wiring between BCM, relay and wiper motor
  • Poor ground at wiper motor or relay module
  • Faulty windscreen wiper motor drawing excessive current or mechanically jammed
  • Faulty BCM or relay driver inside BCM

Symptoms

  • Wipers fail to turn on when switched on
  • Wipers won’t turn off or stay stuck on
  • Intermittent operation of the wipers
  • Audible relay click with no motor movement or no click at all
  • Reduced or no wiper park function (wipers not returning to resting position)
  • Fuse blows repeatedly when wipers are operated

What to check

  • Read stored fault codes with an appropriate scan tool and record freeze-frame data
  • Visually inspect relay, relay socket, wiring harness, and connectors for corrosion, damage, water ingress or loose pins
  • Check relevant fuses and fuse holder for continuity and secure fit
  • Attempt to operate wipers and listen for relay clicking at the relay location
  • Backprobe relay coil/control pins while operating wiper switch to confirm control signal from BCM (12V or ground depending on design)
  • Measure battery voltage at relay power feed with wipers off and during operation (should be close to battery voltage)

Signal parameters

  • Supply voltage: ~12 V nominal at relay power terminal (should remain near battery voltage under load)
  • Control signal: switched +12 V or switched ground from BCM to relay coil when wipers commanded on (verify via backprobe)
  • Relay coil resistance: varies by relay model (typically tens to a few hundred ohms) — compare to service spec or identical relay
  • Typical wiper motor current: commonly ~5–15 A depending on load; stalled/jammed motor may draw significantly more

Diagnostic algorithm

  1. Connect scan tool, read/record B1095 and any related codes; clear codes and attempt to reproduce.
  2. Visually inspect relay, relay socket, harness and connectors for damage/corrosion; inspect fuses and fuse holder.
  3. With accessory power on, operate wipers and listen for relay click. If no click, backprobe relay control coil pin and verify BCM command (12 V or ground) when wiper switch is operated.
  4. Check battery voltage at relay power pin during operation; significant voltage drop indicates poor supply or high resistance connection.
  5. Check ground continuity for relay/motor circuits to chassis; repair any poor grounds.
  6. Measure current draw at the wiper motor with an ammeter while operating; high current suggests motor or mechanical binding—inspect/replace motor or linkage if needed.
  7. If control signal from BCM is correct and supply/ground are good but relay does not switch, replace relay and retest.
  8. If relay replacement does not cure and BCM does not provide correct control signal, perform BCM communications and module tests, check for software updates, and consider BCM repair/reprogramming per manufacturer procedure.
  9. After repairs, clear codes and perform full function test, including park and intermittent functions.

Likely causes

  • Faulty/unseated wiper relay
  • Blown wiper motor fuse or poor fuse holder connection
  • Open or shorted control wire between BCM and relay coil
  • Corroded relay socket or connectors
  • High current draw from a failing wiper motor causing relay to trip or weld contacts

Fault status

⚠️ Status
B1095 — Windshield wiper relay on/off circuit fault. Check relay, fuses, wiring, grounds, wiper motor and BCM control signals.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1096 B1100 B12A0 B1A00 U0100
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MITSUBISHI

Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

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