Jeep Grand Cherokee WK. Manual — part 426
B1634-LEFT HI BEAM CONTROL CIRCUIT HIGH (CONTINUED)
3.
(L33) HIGH BEAM CONTROL CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 harness connector.
Measure the resistance of the (L33) High Beam Control circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (L33) High Beam Control circuit for an open
condition.
Perform the BODY VERIFICATION TEST - VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES
- STANDARD PROCEDURE)
No
>> Replace the Front Control Module (FCM) in accordance
with the service information.
Perform the BODY VERIFICATION TEST - VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES
- STANDARD PROCEDURE)
8L - 14
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
WK
B1637-RIGHT HI BEAM CONTROL CIRCUIT LOW
WK
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 15
B1637-RIGHT HI BEAM CONTROL CIRCUIT LOW (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
•
With the Highbeam Headlamps activated.
•
Set Condition:
•
When the FCM detects a LOW condition.
Possible Causes
(L34) RIGHT HIGHBEAM OUTPUT CIRCUIT
FRONT CONTROL MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC’s.
Turn the Highbeam Headlamps on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B1637-RIGHT HI BEAM CONTROL CIRCUIT LOW?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible
intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
2.
(L34) RIGHT HIGHBEAM OUTPUT CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 harness connector.
Disconnect the Right Headlamp harness connector.
Measure the resistance between ground and the Right Highbeam Out-
put circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (L34) Right Highbeam Output circuit for a short
to ground condition.
Perform the BODY VERIFICATION TEST - VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES
- STANDARD PROCEDURE)
No
>> Replace the Front Control Module (FCM) in accordance
with the service information.
Perform the BODY VERIFICATION TEST - VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES
- STANDARD PROCEDURE)
8L - 16
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
WK
B1638-RIGHT HI BEAM CONTROL CIRCUIT HIGH
WK
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 17
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст