4F-21 Electronic Stability Program:
ESP® Warning Lamp Does Not Come ON at Ignition Switch ON
S5JB0E4604008
Wiring Diagram
Circuit Description
Operation (ON/OFF) of ESP® warning lamp is controlled by ESP® control module through lamp driver module in
combination meter.
If ESP® system is in good condition, ESP® control module turns ESP® warning lamp ON at the ignition switch ON,
keeps it ON for 2 seconds and then turns it OFF. If an abnormality in the system is detected, ESP® warning lamp is
turned ON continuously by ESP® control module. Also, it is turned ON continuously by lamp driver module when the
connector of ESP® control module is disconnected.
Troubleshooting
3
4
2
1
[A]
E53-16
E53-47
12V
12V
E53-32
E53-1
E53-35
GRN/ORN
PPL/RED
BLK/YEL
WHT/GRN
WHT/RED
WHT/BLU
BLK
BLK
BLK
RED
WHT
RED
WHT
E53-13
E53-44
11
10
9
5
7
8
6
8
E53
16
1
15
2
3
4
5
6
7
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47
I6JB01460013-01
[A]: ESP® control module connector (viewed from terminal side) 4. Junction block assembly 8. CAN driver
1. Battery 5. Combination meter 9. Junction connector
2. Main fuse box 6. ESP® warning lamp 10. To TCM, BCM, 4WD control module, keyless
start control module and steering angle sensor
3. Ignition switch 7. Lamp driver module 11. ESP® hydraulic unit / control module assembly
Step Action Yes No
1 1) Turn ignition switch to ON position.
Do other warning lamps come ON?
Go to Step 2. Go to Step 3.
2 1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ignition switch to OFF position and check DTC.
Is there DTC U1073?
Go to “DTC U1073:
Control Module
Communication Bus
Off: ” for
troubleshooting.
Substitute a known-
good combination meter
and recheck. If ESP®
warning lamp remains
OFF, substitute a
known-good ESP®
hydraulic unit / control
module assembly and
recheck.
3 Is Circuit fuse for combination meter in good condition? Go to Step 4. Replace fuse and check
for short circuit to
ground.
4 1) Check CAN communication circuit between combination
meter and ESP®, control module referring to “DTC
U1073: Control Module Communication Bus Off: ”
Is CAN communication circuit in good condition?
Go to Step 5. Repair or replace.
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