Standard voltage

Tester Connection

Condition

Specified Condition

1G-1 - Body ground

Always

10 to 14 V

Wire Harness Side:

Engine Room J/B Assembly

(c) Disconnect the 1E engine room J/B assembly connector.

(d) Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester Connection

Condition

Specified Condition

1E-11 - Body ground

Always

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT ENGINE ROOM JUNCTION BLOCK ASSEMBLY

Engine Room J/B Assembly

121110 9

E121531E01

Reconnect the 1G and 1E engine room J/B assembly connectors.

Disconnect the 1D engine room J/B assembly connector. Measure the voltage according to the value(s) in the table below. Standard voltage

Tester Connection

Condition

Specified Condition

1D-8 - Body ground

Always

10 to 14 V

1D-9 - Body ground

Always

10 to 14 V

REPLACE ENGINE ROOM JUNCTION BLOCK ASSEMBLY (POWER DISTRIBUTOR)

CHECK HARNESS AND CONNECTOR (ENGINE ROOM J/B ASSEMBLY - INSTRUMENT PANEL J/B ASSEMBLY)

Wire Harness Side:

HRLY-

1011

E121479E02

(a) Reconnect the 1D engine room J/B assembly connector.

(b) Disconnect the ID instrument panel J/B connector.

(c) Measure the voltage according to the value(s) in the table below.

Standard voltage

Tester Connection

Condition

Specified Condition

ID-3 (DRL) - Body ground

Always

10 to 14 V

ID-9 (HRLY) - Body ground

Always

10 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

CHECK HARNESS AND CONNECTOR (SHORT IN RELAY-DRIVEN CIRCUIT)

2007 Toyota Camry Dimmer Switch Fuse

(a) Remove the H-LP (RH) fuse from the engine room J/B assembly.

(b) Turn the light control switch to the HEAD position and turn the dimmer switch to the HIGH position.

(c) Check if the high beam headlight LH illuminates.

(d) Turn the dimmer switch to the LOW position.

(e) Install the H-LP (RH) fuse and remove the H-LP (LH) fuse.

(f) Turn the dimmer switch to the HIGH position.

(g) Check if the high beam headlight RH illuminates. OK:

Either high beam headlight LH or RH illuminates.

REPAIR OR REPLACE HARNESS OR CONNECTOR (SHORT CIRCUIT BETWEEN FUSE AND BULB)

INSPECT ENGINE ROOM JUNCTION BLOCK ASSEMBLY

r-Ct

(a) Remove the H-LP (RH) fuse and H-LP (LH) fuse from the engine room J/B assembly.

(b) Measure the voltage between the loading slot of each fuse and body ground.

Standard voltage

Tester Connection

Condition

Specified Condition

H-LP (RH) Terminal -Body ground

Light control switch in HEAD and dimmer switch in HIGH

10 to 14 V

H-LP (LH) Terminal -Body ground

Light control switch in HEAD and dimmer switch in HIGH

10 to 14 V

REPLACE ENGINE ROOM JUNCTION BLOCK ASSEMBLY (POWER DISTRIBUTOR)

REPAIR OR REPLACE HARNESS OR CONNECTOR (OPEN CIRCUIT BETWEEN FUSE AND BODY GROUND)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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Responses

  • christopher
    How to repair block assy, fusible toyota camry?
    8 years ago
  • sarah
    What controls the hlp relay on prius?
    8 years ago

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