Page 3417 of 4449
LAN-116
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
Case 21
Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to LAN-132, "IPDM E/R Ignition Relay
Circuit Check" .
Circuit Check Between TCM and Data Link ConnectorAKS00C0G
1. CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Disconnect ECM connector and harness connector M82.
4. Check continuity between harness connector M82 terminals
14H (L), 15H (R) and data link connector M5 terminals 6 (L), 14
(R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-92, "
Work Flow" .
NG >> Repair harness.
PKIA7983E
14H (L) - 6 (L) : Continuity should exist.
15H (R) - 14 (R) : Continuity should exist.
SKIA6861E
Page 3418 of 4449
CAN SYSTEM (TYPE 3)
LAN-117
[CAN]
C
D
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MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Circuit Check Between Data Link Connector and Unified Meter and A/C Amp.AKS00C0H
1. CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Disconnect ECM connector and unified meter and A/C amp. connector.
4. Check continuity between data link connector M5 terminals 6
(L), 14 (R) and unified meter and A/C amp. harness connector
M55 terminals 1 (L), 11 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-92, "
Work Flow" .
NG >> Repair harness.
Circuit Check Between Unified Meter and A/C Amp. and ABS Actuator and Elec-
tric Unit (Control Unit)
AKS00C0I
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and
harness side).
–Harness connector M41
–Harness connector E211
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect unified meter and A/C amp. connector and harness connector M41.
2. Check continuity between unified meter and A/C amp. harness
connector M55 terminals 1 (L), 11 (R) and harness connector
M41 terminals 15G (L), 14G (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.6 (L) - 1 (L) : Continuity should exist.
14 (R) - 11 (R) : Continuity should exist.
SKIA6862E
1 (L) - 15G (L) : Continuity should exist.
11 (R) - 14G (R) : Continuity should exist.
SKIA6863E
Page 3419 of 4449
LAN-118
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector E211 terminals
15G (L), 14G (R) and ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-92, "
Work Flow" .
NG >> Repair harness.
Circuit Check Between ABS Actuator and Electric Unit (Control Unit) and Driver
Seat Control Unit
AKS00C0J
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and
harness side).
–Harness connector E205
–Harness connector B5
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector and harness connector E205.
2. Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R) and har-
ness connector E205 terminals 3 (L), 10 (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.15G (L) - 11 (L) : Continuity should exist.
14G (R) - 15 (R) : Continuity should exist.
SKIA6864E
11 (L) - 3 (L) : Continuity should exist.
15 (R) - 10 (R) : Continuity should exist.
SKIA6880E
Page 3420 of 4449
CAN SYSTEM (TYPE 3)
LAN-119
[CAN]
C
D
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B
LAN
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity between harness connector B5 terminals 3 (L),
10 (R) and harness connector B8 terminals 14 (L), 15 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-92, "
Work Flow" .
NG >> Repair harness.
ECM Circuit CheckAKS00C0K
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of ECM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector M90 termi-
nals 94 (L) and 86 (R).
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and harness connector
M82.
TCM Circuit CheckAKS00C0L
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side
and harness side).
–A/T assembly connector
–Harness connector F102
–Harness connector M82
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.3 (L) - 14 (L) : Continuity should exist.
10 (R) - 15 (R) : Continuity should exist.
SKIA6881E
94 (L) - 86 (R) : Approx. 108 - 132Ω
SKIA6865E
Page 3421 of 4449
LAN-120
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector
F44 terminals 3 (L) and 8 (R).
OK or NG
OK >> Replace control valve with TCM.
NG >> Repair harness between A/T assembly and display con-
trol unit.
Display Control Unit Circuit CheckAKS00C0M
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of display control unit for damage, bend and loose connection (control unit
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect display control unit connector.
2. Check resistance between display control unit harness connec-
tor M76 terminals 25 (L) and 26 (R).
OK or NG
OK >> Replace display control unit.
NG >> Repair harness between display control unit and har-
ness connector M82.
Low Tire Pressure Warning Control Unit Circuit CheckAKS00C0N
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of low tire pressure warning control unit for damage, bend and loose con-
nection (control unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.3 (L) - 8 (R) : Approx. 54 - 66Ω
SKIA6866E
25 (L) - 26 (R) : Approx. 54 - 66Ω
SKIA6884E
Page 3422 of 4449
CAN SYSTEM (TYPE 3)
LAN-121
[CAN]
C
D
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MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect low tire pressure warning control unit connector.
2. Check resistance between low tire pressure warning control unit
harness connector M74 terminals 9 (L) and 21 (R).
OK or NG
OK >> Replace low tire pressure warning control unit.
NG >> Repair harness between low tire pressure warning con-
trol unit and harness connector M82.
ICC Unit Circuit CheckAKS00C0O
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of ICC unit for damage, bend and loose connection (unit side and harness
side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC unit connector.
2. Check resistance between ICC unit harness connector M88 ter-
minals 14 (L) and 5 (R).
OK or NG
OK >> Replace ICC unit.
NG >> Repair harness between ICC unit and harness connec-
tor M82.
Intelligent Key Unit Circuit CheckAKS00C0P
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of Intelligent Key unit for damage, bend and loose connection (unit side
and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.9 (L) - 21 (R) : Approx. 54 - 66Ω
SKIA6885E
14 (L) - 5 (R) : Approx. 54 - 66Ω
SKIA6886E
Page 3423 of 4449
LAN-122
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check resistance between Intelligent Key unit harness connec-
tor M34 terminals 2 (L) and 3 (R).
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair harness between Intelligent Key unit and data
link connector.
Data Link Connector Circuit CheckAKS00C0Q
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check data link connector and terminals for damage, bend and loose connection (connector side and har-
ness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector M5 terminals 6 (L)
and 14 (R).
OK or NG
OK >> Diagnose again. Refer to LAN-92, "Work Flow" .
NG >> Repair harness between data link connector and BCM.
BCM Circuit CheckAKS00C0R
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of BCM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.2 (L) - 3 (R) : Approx. 54 - 66Ω
SKIA6887E
6 (L) - 14 (R) : Approx. 54 - 66Ω
SKIA6868E
Page 3424 of 4449
CAN SYSTEM (TYPE 3)
LAN-123
[CAN]
C
D
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MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector M3 termi-
nals 39 (L) and 40 (R).
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Repair harness between BCM and data link connector.
Steering Angle Sensor Circuit CheckAKS00C0S
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance between steering angle sensor harness con-
nector M14 terminals 4 (L) and 5 (R).
OK or NG
OK >> Replace steering angle sensor.
NG >> Repair harness between steering angle sensor and data
link connector.
Unified Meter and A/C Amp. Circuit CheckAKS00C0T
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of unified meter and A/C amp. for damage, bend and loose connection
(meter side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.39 (L) - 40 (R) : Approx. 54 - 66Ω
SKIA6869E
4 (L) - 5 (R) : Approx. 54 - 66Ω
SKIA6870E