Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028IPY |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: POWER DISTRIBUTION: INTEGRATION RELAY: INSPECTION; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ] |
INSPECTION
PROCEDURE
1. INSPECT NO. 1 INTEGRATION RELAY
(a) IG1 NO. 3 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9A-4 - 9A-3
|
Auxiliary battery voltage not applied between terminals 9A-1 and 9A-2
|
10 kΩ or higher
|
9A-4 - 9A-3
|
Auxiliary battery positive (+) → 9A-2
Auxiliary battery negative (-) → 9A-1
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(b) H-LP LH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9A-5 - 9B-1
|
Auxiliary battery voltage not applied between terminals 9A-5 and 9B-2
|
10 kΩ or higher
|
9A-5 - 9B-1
|
Auxiliary battery positive (+) → 9A-5
Auxiliary battery negative (-) → 9B-2
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(c) EFI-MAIN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9B-3 - 9B-4
|
Auxiliary battery voltage not applied between terminals 9B-6 and 9B-5
|
10 kΩ or higher
|
9B-3 - 9B-4
|
Auxiliary battery positive (+) → 9B-5
Auxiliary battery negative (-) → 9B-6
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(d) IG2 NO. 1 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9A-10 - 9A-9
|
Auxiliary battery voltage not applied between terminals 9A-7 and 9A-8
|
10 kΩ or higher
|
9A-10 - 9A-9
|
Auxiliary battery positive (+) → 9A-7
Auxiliary battery negative (-) → 9A-8
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(e) H-LP RH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9B-8 - 9A-12
|
Auxiliary battery voltage not applied between terminals 9B-8 and 9A-11
|
10 kΩ or higher
|
9B-8 - 9A-12
|
Auxiliary battery positive (+) → 9B-8
Auxiliary battery negative (-) → 9A-11
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(f) P-CON RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9B-9 - 9B-10
|
Auxiliary battery voltage not applied between terminals 9B-11 and 9B-12
|
10 kΩ or higher
|
9B-9 - 9B-10
|
Auxiliary battery positive (+) → 9B-11
Auxiliary battery negative (-) → 9B-12
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
|